Louisiana Sportsman
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Captain Paul - GPS Info in Louisiana
I purchased a couple of your edgs files couple years ago and downloaded them onto a sd card, i am wanting to now load on an elite 7 so i copied files off card to a micro sd card, how do i transfer them to the lowrance elite 7 hdi?
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Response by Captain Paul
3 hours ago
Old Lowrance files to new format
~ Captain Paul's response to: ~ Empty Shell ~

Just copying the files may work, but the older Lowrance units required a Lowrance data file designated with a .USR suffix. Newer units, such as most of the Elite and HDS units, now require a data file with a .GPX suffix. The protocol for the two files is different.

Try copying the .usr data files to the new microSD card to see if it will work.

If not you will have to download a conversion program that is a free download from the internet called GPSBABEL. It is available at www.gpsbabel.org/ Using this program, you select the input as the Lowrance.usr file and output as a Lowrance .gpx file.

Once on the Micro SD disk you would transfer the data files from the memory card using the GPS MENU. See your owner’s manual Pages 7 and 14. Basically you transfer the card data files into the internal memory of the unit. All of the waypoints will then show as overlays on whatever mapping program you are using.

If you have any difficulties, contact be at 985-847-0536 or via email at

captainpaultgps@gmail.com

Paul Titus
Yesterday at 5:34pm
Swampdeer57Profile Photo
Captain Paul - GPS Info in Southeast Louisiana
I want to purchase a Lowrance HDS 7. The options have 2 types of transducer frequency 83/200 and 50/200.

Which one is the better choice for inshore?
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Response by Captain Paul
July 01 at 3:17pm
Sorry
Sorry,but I can't help you on the selection of a transducer. I suggest that you contact a stocking Lowrance dealer and get their opinon.

Captain Paul
1 of 2 Comment(s) [ View All ]
June 30 at 8:22pm
Captain PaulProfile Photo
Captain Paul - GPS Info in Fourchon / Grand Isle in Southeast Louisiana
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Rock pile near wd 152
Captain paul im looling for some cordinates to the rock pile just west of west delta 152. If you could get them for me id really appreciate

Thanks

~ Captain Paul's response ~

I don’t have a specific location named “The Rock Pile”, but I do see a jagged bottom rise from a depth of 248 fathoms (1488 feet) to a depth of 69 fathoms (419 feet) on my....  Read More
April 21 at 1:22pm
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Captain Paul - GPS Info in Vermilion Bay in South Central Louisiana
Capt. Paul, there is a area outside of Vermilion Bay in the Tiger Shoals area called The Pelican. Do you have any information or coordinates for this place?
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Response by Captain Paul
May 16 at 12:23am
I haven\'t forgot about your request.
I haven't forgotten your request, but I have been unable to find a specific platform called The Pelican.

I am still trying. In the meantime here is a copy of one of my recent columns on the Tiger Shoals area.

Old oil structures in Tiger Shoal

A lesson on finding productive fishing

Captain Paul Titus

September 08, 2014 at 9:00 am | Mobile Reader | Print

It might take some work, but research into the Tiger Shoal area is well worth the effort.

Ann Taylor

Dear Capt. Paul:

I am told that there were several oil platforms, old well heads and/or other oil-field sites within the Tiger Shoal area that have been removed in years past.

I am interested to know if you have the coordinates for some of these sites and their removal dates(or estimated dates)? My reason is that I’m assuming there is still some sort of rock or shell pad left behind that might be good for fishing.

— Thank you

Capt. Paul’s response:

Wow! M-12, you are asking for detailed positions of over 200 well sites/platforms in the Tiger Shoals area.

This shoal area is about 10 miles south-southwest from the Southwest Pass of Vermillion Bay at a bearing of 201 degrees magnetic. It is a shoal area that appears on maps as a large banana laying in an east-to-west position.

There are numerous well sites, as well as wrecks and underwater mounds throughout the area.

I do not have the time nor the space to adequately provide you with all of the information you need, but I will provide some of the major sites and steer you in a direction that you can obtain all of the information you need.

The United States coastline is divided into areas that are called leased block areas. These areas are usually named for a feature along the coast or an underwater geological feature. These leased areas are then divided into blocks, each of which is usually rectangular in shape and specified by latitude and longitude using North American Datum of 1927.

Yes, I know, the current World Geodetic System of 1984 (WGS 84) datum is more accurate, but the leases were determined years ago using the older NAD 27 datum. I was told by U.S. Department of the Interior’s Bureau of Ocean Energy Management, Regulation and Enforcement people that it would be a nearly impossible task to amend all of the hundreds of thousands of leases with the WGS datum.

New leases are now plotted in both NAD 27 and WGS 84 Datum.

As there are no sign posts in offshore waters, specific areas are called by their leased area and block number, such as Vermilion 50, meaning block 50 in the Vermilion Bay area.

First you will need a rough idea where these different sites are located. By that I mean in which of leased blocks your quests are located.

The location of the specific block number in the leased area will put you in the general area where the platforms are located. The government then conducts lease sales for the right to explore and produce minerals from these lease blocks.

All platforms are required to be listed by BOEMRE, the federal repository for lease data, and the exploration and production information for these areas. It is like a general grid system that will at least get you close to the area of your concern. They keep current and past well sites in a very detailed format.

The genesis of your search should start with the maps or charts that show these leased blocks. NOAA Marine Chart 1116A Leased Block for the Mississippi River to Galveston, Texas, shows the BOEMRE leased areas and blocks within those areas.

For those of you who fish the mouth of the Mississippi River eastward, get NOAA Marine Chart 1115A Leased Block for Cape St. George, Fla., to Mississippi River Passes.

After locating the leased block areas in which you are interested, you should also get a copy of the latest NOAA chart for the specific area in 1:80,000 scale.

The Tiger Shoals area is shown on NOAA Marine CHART 11349-Vermillion Bay and Approaches. This chart will show individual platforms, underwater mounds, wrecks and other navigation features. The chart also shows underwater pipelines designated by a series of dots followed immediately with a small line.

When getting these charts, be sure to get the latest version. But historic charts created 10 years or so age would also be a great value to you, as they would show wells/platforms as they were then.

Almost any NOAA contract chart mapping service that has a print-on-demand service should be able to provide you with these charts.

You can then access the Management, Regulation and Enforcement website at http://www.data.boem.gov/homepg/data_center/platform/platform/master.asp, and search by leased area, by leased block and well number or well name. You can even search for the date when the well was closed or removed.

By noting the leased areas, you can select a specific area and even individual blocks existing leases and or platforms. This program is a very valuable tool for the offshore fisherman.

After defining the area/block you are interested in the program will display all of the platforms in that area or block. They mostly just have a number of the platform, but sometimes indicate the common or given name of the facility, i.e., Brutus, Ram Powell, etc. Position figures are usually stated in decimal degrees determined by using NAD 27 datum.

Once you have these positions, you can then enter them manually into your GPS unit.

Again, remember that the position format in your program or GPS unit, must agree with the MMS format or you must convert the decimal degrees into the format used in your unit or temporarily change the position format in your GPS unit to decimal degrees and NAD 27 datum. Then enter the positions, and change the position format and datum back to the one that you normally use. The internal GPS software will do the conversion for you. This is extremely important when trying to find an underwater site that has no surface landmark.

By selecting the specific areas, you will have all of the existing or removed platforms in that leased block

I have taken the opportunity to plot some of the over 200 rigs and platforms in the area you indicated.

Most of the platforms are or were located in North Marsh Island blocks 208, 209, 210, 212, 230, 231, 232, 234, 235, 236, 237 and 239, and Vermilion blocks 30, 31,33, 50, 51, 52, 53, 69, 70 and 71.

As previously stated, the area is crossed with numerous pipelines that also offer fishing structure. These pipelines are shown in the Vermillion Bay Approaches chart.

Here are some of the wells and other hazardous objects in the Tiger Shoal. The names of the sites indicate the feature available for fishing.

Name Latitude Longitude

Mound 01 29° 26.4423´ N 092° 06.2012´ W

Mound 02 29° 25.6454´ N 092° 05.6919´ W

Mound 03 29° 25.2642´ N 092° 06.2803´ W

Mound 04 29° 24.9089´ N 092° 06.7305´ W

Mound 05 29° 24.5624´ N 092° 06.9185´ W

Mound 06 29° 24.3068´ N 092° 06.8940´ W

Mound 07 29° 23.8647´ N 092° 06.7358´ W

Mound 08 29° 23.3362´ N 092° 07.1958´ W

Mound 09 29° 23.0718´ N 092° 07.2305´ W

Tiger 01 29° 26.8278´ N 092° 11.6187´ W

Tiger 02 29° 26.9014´ N 092° 11.7817´ W

Tiger 03 29° 26.8883´ N 092° 11.5396´ W

Tiger 04 29° 26.9187´ N 092° 10.3965´ W

Tiger 06 29° 26.6199´ N 092° 10.5898´ W

Tiger 07 29° 26.7021´ N 092° 10.1196´ W

Tiger 08 29° 26.3384´ N 092° 11.7026´ W

Tiger 09 29° 26.0828´ N 092° 11.5298´ W

Tiger 10 29° 25.9745´ N 092° 11.2822´ W

Tiger 11 29° 26.2733´ N 092° 10.1294´ W

Tiger 12 29° 26.5203´ N 092° 09.0806´ W

Tiger 13 29° 26.0741´ N 092° 09.5410´ W

Tiger 14 29° 26.7802´ N 092° 04.7271´ W

Tiger 15 29° 26.9534´ N 092° 04.8853´ W

Tiger 17 29° 27.0312´ N 092° 04.8359´ W

Tiger 18 29° 26.7931´ N 092° 04.8457´ W

Tiger 19 29° 26.7844´ N 092° 04.5044´ W

Tiger 20 29° 26.8927´ N 092° 04.6924´ W

Tiger 21 29° 26.5852´ N 092° 04.7915´ W

Tiger 22 29° 26.2733´ N 092° 04.7964´ W

Tiger 23 29° 26.0741´ N 092° 05.1079´ W

Tiger 24 29° 26.3470´ N 092° 05.1523´ W

Tiger 25 29° 26.0698´ N 092° 06.3301´ W

Tiger 26 29° 26.3773´ N 092° 04.1431´ W

Tiger 27 29° 26.4727´ N 092° 03.7080´ W

Tiger 28 29° 26.8711´ N 092° 03.9355´ W

Tiger 28 29° 26.6459´ N 092° 04.0146´ W

Tiger 29 29° 27.1829´ N 092° 03.4014´ W

Tiger 30 29° 27.8237´ N 092° 04.2520´ W

Tiger 31 29° 26.8104´ N 092° 03.3418´ W

Tiger 33 29° 27.7112´ N 092° 03.7476´ W

Tiger 34 29° 28.8455´ N 092° 04.0542´ W

Tiger 35 29° 27.9883´ N 092° 03.1440´ W

Wreck 01 29° 26.4769´ N 092° 04.4995´ W

Wreck 02 29° 24.2634´ N 092° 01.0312´ W

Wreck 03 29° 27.9796´ N 092° 05.0142´ W

Wreck 04 29° 23.4315´ N 092° 06.6963´ W

Wreck 05 29° 28.4905´ N 092° 06.6860´ W

Wreck 06 29° 22.5908´ N 092° 03.7178´ W

Wreck 07 29° 28.5511´ N 092° 07.5767´ W

Unless otherwise specified, all of my positions are stated as Degrees, minutes and thousandths of minutes (DDD,MM.mmmm) and were determined using WGS 84 datum. All bearings and courses are stated in magnetic degrees and statute miles.

— Capt. Paul
May 08 at 9:32am
Wild BillProfile Photo
Captain Paul - GPS Info in Leeville / Golden Meadow in Southeast Louisiana
Capt. Paul: I am just now getting to know my Garmin 541s and learn about navigation, attempting to manually load some waypoints you had in the last edition of La. Sportsman. The unit is set for WGS 84 and the waypoints you provided were in that format, but the unit does not allow the decimal between the minutes and thousandths of minutes. Exposing my lack of knowledge, but does this matter....  Read More
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Response by Captain Paul
May 06 at 1:49pm
Wrong Position Format?
~ Captain Paul's response to: ~ Wild Bill ~

Two of the least understood terms in the GPS settings are DATUM and the Position Format.

You seem to have the DATUM correct using the WGS 84 settings, but I suspect that Position Format or “Location” settings are not the same.

In latitude~ longitude settings, you usually have the choice of Decimal degrees, ie. 89.1234567° (DDD.ddddddd), Degrees, minutes and tenths of seconds, ie. DDD,MM,SS.s (89°20’ 15.8”) and Degrees, minutes and thousandths of minutes, ie. DDD, MM.mmm (89°20.123).

By your description, it seems that you are trying to enter one of these position formats into another format.

To correct the procedure, you will have to mathematically convert one to another, OR simply change the GPS Position Format setting to match the one you have.

Try this out and get back with me.

Unless otherwise specified, all positions are stated as Degrees, minutes and thousandths of minutes (DDD,MM.mmm) and were determined using WGS 84 Datum. All bearings and courses are stated in Magnetic degrees.

~ Captain Paul ~
May 04 at 6:19pm
mike the tigreProfile Photo
Captain Paul - GPS Info in Southeast Louisiana
Do you or anyone know where to get video info to use (instructional video) for this unit? Also can GPS coordinates or waypoints be taken from google earth and put on sds card then entered in this unit??????
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Response by Captain Paul
March 26 at 9:38pm
Google earth waypoints to Lowrance units
I do not know of any CD or DVD that offers an instruction in the use of that unit.

I can accommodate you if you wish. If so contact me at

Check the post that asks basically the same question or my Story in the current issue of the Louisiana Sportsmam Magazine concerning Google Earth waypoints.

Captain Paul
1 of 2 Comment(s) [ View All ]
March 26 at 10:32am
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Captain Paul - GPS Info in Louisiana
I have a Humminbird 1197C SI with the lake maps card. The map is a little limited. I am looking for SP 152 out of Fourchong. We used to fish it when I was a kid. Not sure if it still there. Is there a book with all the passes and rig numbers for purchase?
Thanks
Fox
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Response by Captain Paul
July 01 at 3:49pm
Offshore Platforms
~ Captain Paul's response to: Foxholel 123 ~

I am not quite sure that I know where you are looking as SP 152 is in the Southern area of Brenton Sound and not near the Fourchon area.

Mike Lane of RodnReel at one time had a book that covered some of the Offshore Rigs and reefs, but I don’t know if it is still in print.

However, I suggest that you start by getting at least two general NOAA charts of the local offshore areas.

Chart 1116A and 1115A covers the Offshore Leased Blocks from Cape St. George FL to Galveston TX. These charts show the areas and the blocks in those areas. This is a starting point.

Next, the U.S. government’s agency that has all of the current and past information is the Bureau of Safety and Environmental Enforcement (BSEE) has a data search web site.

This site allows the user to search the leased Blocks in the offshore areas.

Try them at:

http://www.data.bsee.gov/homepg/data_center/platform/platform/master.asp

By using the two together, you can pinpoint a block and the platforms in that block.

You may need a more detailed chart once you find your area of interest as the aforementioned are charts that cover a lot of area and do not have a lot of shore details.

Captain Paul
1 of 1 Comment(s) [ View All ]
June 27 at 11:49am
wbratcherProfile Photo
Captain Paul - GPS Info in Vermilion Bay in South Central Louisiana
Captain Paul,

Does your SD card for Vermillion Bay contain GPS coordinates for abandoned rigs or underwater shell beds at Tiger Shoal or similar?
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Response by Captain Paul
June 25 at 8:33pm
Info Edge for Vermillion Bay
.

Captain Paul's response to WBratcher,

The CAPTAIN PAUL's Fishing edge of GPS WAYPOINTS is NOT sold as a file on a data card. It is an electronic download file that you install in your GPS unit. Some units require all data be transferred to the unit via a SPARE data card. Most also require that you use their manufacturers data trans program. Lowrance, Garmin, Humminbird and Raymarine all have such programs available on their web site. Even if you do not purchase my Edge file, it is a worth while in time to get and install their data Transfer program as it will allow you to transfer waypoints, tracks, and routes to and from your computer and GPS unit. It is way easier entering the position data while on your computer than trying to enter one at a time directly into your GPS unit. A transfer of over 100 waypoints can be transferred under two minutes, whereas it may take you five minutes just to enter one directly into the GPS unit

The Vermillion Bay Edge has positions for many of the inshore reefs shell beds in and around the bay. It has the La Wildlife &Fisheries inshore artificial reefs in the area and some of the near shore reefs such as Diamond Reef, but it does NOT have off shore reefs, shoals, or oil/gas platforms.

It does NOT have any positions around the Tiger Shoals area.

All of the Edge downloads come with a READ ME, Instructions File and the data file in the proper format for your brand of GPS unit, an Acrobat .pdf file which is a general map of the area and all of the waypoints listed. Many have a HOW TO FISH the location. In addition, there is also included a spread sheet file of all of the data. I suggest that you print out the spread sheet and .pdf file and take them on board in a two gallon size plastic bag.

Contact me if you need any additional information.

Captain Paul
June 25 at 8:32am
duckduckshootProfile Photo
Captain Paul - GPS Info in Cocodrie / DuLarge in South Central Louisiana
Capt. Paul

I have a new boat just finishing up being built and I have the 698CI HD SI COMBO. Could you recommended which GPS card is the best for this unit for the cocodrie area.

thanks in advance

swapped to lowrance
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Response by Captain Paul
June 02 at 9:57pm
Maps for Humminbird GPS
~ Captain Paul's response to: ~ Duck Shoot ~

The features of the Humminbird 698CI HD SI is a state of the art unit, however the base map called a UniMap, I believe, needs to be supplemented with one of the available accessory mapping programs.

Humminbird offers a series of maps they call LakeMaster. There is one for our region, but it is mainly for inshore freshwater fishing lakes and locations in our area. They also offer a Navionics South, but it is featured as a multi state lake maps. I don’t believe that either of these products would serve your southeast Louisiana salt water marsh fishing.

Try calling the Humminbird support section at 1-800-633-1468 and see what they recommend for the salt water marsh area of Louisiana.

These supplemental mapping programs will run the better part of $150, so just don’t get the first one they recommend. After getting their recommendation, go to a stocking Humminbird dealer and ask to see the recommended map(s) in Humminbird GPS unit. If they have the map, zoom in on your fishing areas and see if it gives you the detail that you want.

That way you will know what you are getting and if it will serve your needs.

~ Captain Paul ~
May 26 at 11:04am
ryansr.Profile Photo
Captain Paul - GPS Info in Lake Borgne / Chef Menteur
Cpt. Paul,

I am looking for coordinates of shell pads that may exist in Lake Borgne and around Bay Eloi. Any old rig pads, old islands or points, etc. would be great. Thanks.
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Response by Captain Paul
June 03 at 8:12pm
Lake Borgne well sites.
~ Captain Paul's response to: ~Ryansr ~

I have most if not all of the old gas well sites in Lake Borgne in my CAPTAIN PAUL’S FISHING WAYPOINTS OF GPS POSITIONS listed in my Lake Borgne file, which are available on this web site in the OUTDOOR STORE.

But, you can find all of these sites on your own. The Louisiana Department of Natural Resources has a web site that list all past and present oil, gas and water wells in the state. The Site is called SONRIS. It has a data base of the sites that allow you to access the information in a variety of ways which includes via a general map of the area, by parish, by gas or oil field name, well number and or name and by operator to name a few of the many ways to access the data.

You can access the site by going to http://sonris-www.dnr.state.la.us/www_root/sonris_portal_1.htm

Note that the positions provided are stated in Decimal Degrees (h, DDD.ddddddd) and were determined using NAD 27 Datum.

The removed wells are generally listed as a “well hole ~ not operating.”

It is a very useful program to find the shell or gravel pads that were once installed around the well sites. As you know, these “pads” often offer ideal fishing habitat.

By the way, I offer a CAPTAIN PAUL’S FISHING EDGE of GPS WAYPOINTS that has included a number of these sites in the Lake Borgne area. My Lake Borgne Edge file has over 160 waypoints in and around the lake, many of which are the present and past well sites in the lake.

The EDGE files are designed to be electronically loaded into various GPS units via your computer.

THE CAPTAIN PAUL’s FISHING EDGE FILES ARE AVAILABLE ONLY ON THE LOUISIANA SPORTSMAN WEB SITE.

The “CAPTAIN PAUL’S FISHING EDGE” is a very unique ELECTRONIC MEDIA program that can be downloaded directly into various GPS units from their manufacturer’s Mapping program or via several of Maptech’s mapping software programs. This technology saves countless hours of having to manually enter each separate waypoint values into GPS receivers.

I call the Programs, CAPTAIN PAUL’S FISHING EDGE,” because I believe that they will give the fisher and hunter an advantage in getting to, finding fishing spots, moving around, and getting back from some of the more favorite fishing and hunting areas in the state.

The entire procedure of loading over 150 odd waypoints from a typical CAPTAIN PAUL’S FISHING EDGE file takes less than three minutes from the time you view the email file to the time that they are loaded in the GPS receiver.

Presently I have TWEMTY-ONE Captain Paul’s Fishing Edge Files. They include Barataria Bay, Hopedale ~MRGO to the MISSISSIPPI SOUND, Hopedale to Bayou Terre Boeufs, Delacroix to Point a la Hache, Bayou Bienvenue, Port Sulphur, Lake Calcasieu, Lafitte, Leeville ~ East, Lake Pontchartrain, Myrtle Grove-Lake Hermitage, Empire to Buras, Leeville-West, the Pearl River WMA, Vermillion Bay, Cocodrie ~ Dulac, The Rigolets, MRGO dam and Markers, Bayou Sauvage NWR and Big Branch NWR and the LAKE BORGNE areas.

To download The CAPTAIN PAUL’S FISHING EDGE program(s) in your GPS, you MUST have FIVE items.

FIRST, a GPS Receiver that can accept a computer download; SECOND, your GPS manufacturers Mapping Program or its Waypoint Manager software; THIRD, a computer with a connecting cable to the GPS unit or data card; FOURTH, a valid E-Mail Address that accepts attachments, and FIFTH, a CAPTAIN PAUL’S FISHING EDGE FILE.

Separate Program Files are designed for GARMIN, MAGELLAN, LOWRANCE, DELORME, RayMarine, Humminbird and others that require a GPX data exchange protocol and their mapping programs as well as for MAPTECH TERRAIN NAVIGATOR. These Edge files are NOT interchangeable.

ALL of the CAPTAIN PAUL’S FISHING EDGE of GPS WAYPOINTS are available at the LOUISIANA SPORTSMAN'S 'OUTDOOR STORE'.

The OUTDOOR STORE link button may be found in top banner at the top of SPORTSMAN’s HOME PAGE. The Captain Paul's FISHING EDGE button also flashes across the top banner of the ”REPORTS” pages on this web site.

The EDGE files are available exclusively on the LOUISIANA SPORTSMAN web site in the OUTDOOR STORE. Look them over, I am sure that you will find that the EDGE waypoints give you a quantum leap head in navigating to and fishing or hunting the area locations.

Some of the many Lake Borgne well sites as listed in the EDGE program are as follows:

I have DESIGNATED these positions in my EDGE file as waypoint numbers that begin with “BOIL” (representing LAKE BORGNE OIL sites). I believe that some of the many, many platform sites you are looking for may be found as indicated below.

BIOL # 27 =29°59.045’ N. Latitude ~ 89°37.252’W. Longitude;

BOIL # 28 = 29°57.723’ N. Latitude ~ 89°35.150’ W. Longitude;

BOIL # 38 = 30°00.709’ N. Latitude ~ 89°43.055’ W. Longitude;

BOIL # 39 = 29°56.545’ N. Latitude ~ 89°42.475’ W. Longitude;

Like wise you can use the State site to search for the locations in Bay and Lake Eloi, or you can order the Captain Paul’s Edge for the Hopedale ~MRGO to Miss Sound.

Unless otherwise specified, all positions are stated as Degrees, minutes and thousandths of minutes (DDD,MM.mmm) and were determined using WGS 84 Datum. All bearings and courses are stated in Magnetic degrees.

~ Captain Paul ~
June 03 at 8:10am
Gentle RainProfile Photo
Captain Paul - GPS Info in Venice in Southeast Louisiana
Rewarding Uncle
Captain Paul, I am a native of Louisiana currently living in Texas. I have a Texas registered 28' boat with twin 300 Verados joystick steering. Want to tow the boat to Venice to take my uncle fishing offhsore for tuna (Thunder Horse, Diana, Hoover coordinates if you have them). I am repaying my uncle for teaching me to fish and taking me whenever I wanted to go. I am familiar....  Read More
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Response by Captain Paul
May 23 at 4:07pm
Hoover ~ Diana is south of Galveston Texas
~ Captain Paul's response to: ~ Gentle Rain ~

Unless you are going east ward in the gulf from Venice, you would be using South West Pass. It is the main pass to the Mississippi River. Use caution as you will encounter sea going vessels coming and leaving the area. give then a clear berth and you should not be anchored when they pass.

As for the easy part; there are two marinas in Venice that should be able to accommodate your boat and trip. There is even over night stays in cabins, etc.

Check out these:

CYPRESS COVE MARINA 226 CYPRESS COVE, VENICE, LA (504) 534-9289

VENICE MARINA INC 237 SPORTS MARINA, VENICE, LA (504) 534-9357

Thunder Horse is located at or about 28°11.452’ N. Latitude ~ 88° 29.735’W. Longitude. It is in south west corner of Leased Block 778 of the Mississippi Canyon Area.

I am sure what you mean by the Hoover ~ Diana platforms, but the Hoover Diana fields are located in the Gulf of Mexico, 160 miles (258km) south of Galveston. Diana covers several lease blocks, but is largely contained within East Breaks (EB) blocks 945 and 989 (also covering EB 946 and EB 988). Hoover is located in the Alaminos Canyon blocks 25 and 26.

It would be very difficult to travel from Venice La to this area.

Although you did not specifically ask for these platforms, I thought that you may be interested in some of the platforms in the Venice general area.

BULL WINKLE

Shell Platform GC-65 A “BULLWINKLE, ” is located in Green Canyon Leased Block 65 and is at or about 27° 53.068’ N. Latitude ~ 90° 54.155’ W. Longitude. That puts it about 114 Miles at a bearing of 232° magnetic from the entrance of the Southwest Pass of the Mississippi River.

~~~~~~~~~

BRUTUS

Although you did not specifically ask for it, the Shell platform BRUTUS

Is located in GREEN CANYON Block # 158 and is at or about 27° 47.742’ N. Latitude ~ 90° 38.824’ W. Longitude

~~~~~~~~

And, in the same general area

GENESIS

Genesis Spar is located in Green Canyon Leased Block 205 and is at or about 27° 46.761’ N. Latitude ~ 90° 31.093’ W. Longitude

~~~~~~~~~~

MARS

~ ”Mars” (Shell-MC-807-A) Located in Leased Block 807 in the Mississippi Canyon, I believe is at or about 28°10.171’ N. lat ~ 89° 13.373’ W. long, it is in over 2800 feet of water. It is about 52 miles from SW pass @ 166° magnetic AND about 57.16 miles at a bearing of 186° Magnetic from Lands End at South Pass. Mars is about 45.5 miles EAST of Thunder Horse at a bearing of 269° (mag).

~~~~~~~~~

THUNDER HORSE

Thunder Horse is located at or about 28°11.452’ N. Latitude ~ 88° 29.735’W. Longitude. It is in south west corner of Leased Block 778 of the Mississippi Canyon Area.

~~~~~~~~~

URSA

~ Ursa is at or about 28° 09.242’ N. Latitude ~ 89° 06.213’ W. Longitude. It is located in Leased block 810 of the Mississippi Canyon Area, about 7.4 miles east of the MARS platform.

Looking North and North west from these two platforms you should find MEDUSA.

MEDUSA

The Murphy Exploration Company’s Medusa Spar platform is in the northern part of Leased Block 582 of the Miss. Canyon. It is ABOUT 34.7 MILES at a bearing of 182° Magnetic from the South West Pass channel GONG Buoy Green # 1. It is about 21.4 miles at a bearing of 318° (mag) from the Mars Platform and about 35 miles at a bearing of 182° (Mag) from the entrance to SOUTHWEST PASS of the Mississippi River.

The MEDUSA platform is at or abouthe MEDUSA platform is at or about 28°23.559’ N. Latitude ~ 89°27.210’ W. Longitude

The only other major platform north of the Mars platform is LENA.

LENA

Lena located in Block 280 of the Mississippi Canyon area. The LEAN platform is at or about 28° 39.775’ N. Latitude ~ 89°09.467’ W. Longitude. It is about 34 miles NNE (07° Mag) from the Mars platform.

Unless otherwise specified, all positions are stated as H,DDD,MM.mmm and were determined using WGS 84 DATUM; All Headings/bearings/courses are in Magnetic Degrees and STATUTE miles.

Captain Paul
May 17 at 9:23am
IDLEWILDMANProfile Photo
Captain Paul - GPS Info in Southeast Louisiana
Narrowed it down to the Lowrance Elite-4 Chirp or the Garmin 43 DV. Same cost @ 300.00, any opinions on these units??????
Captain Paul Profile Photo
Response by Captain Paul
May 16 at 12:20am
It is a toss up, but.....
Either could serve you, if it has the mapping software you need. Check out what maps are available for each unit. You may have to go to a stocking dealer to actually see the images, but it is a wise move on your part.

If you had a Garmin unit and you got another Garmin, you would not have to learn another system.

Please Let me know what you finally choose.

Captain Paul
May 11 at 12:25pm
IDLEWILDMANProfile Photo
Captain Paul - GPS Info in Myrtle Grove / Port Sulphur in Southeast Louisiana
I am in the market for a new GPS. I would primarily use it for fishing. My budget is around 200.00-250.00 dollars. I have an older Garmin eTrex but i would like something with a larger screen. I also have the Garmin Mapsource software that I bought years ago. What do you recommend?
Captain Paul Profile Photo
Response by Captain Paul
May 06 at 2:16pm
TRY the Garmin GPSMAP 64ST
~ Captain Paul's response to: ~ Idlewildman ~

You will be hard pressed to find a new GPS unit for that price that has a larger screen.

Being you have a Garmin, I would stay with a Garmin system, as you would not have to relearn the nomenclature of another brand.

The closest thing to meeting your price range would be a Garmin model GPSMAP 64. I would order it with the option of having preloaded topographical maps. I believe that it is the GPSMAP 64st model. The ST means that it has sensors and topo mapping.

It will put you a little above your listed spending, but it is a super unit and would give you most if not all the maps you would need.

Check it out on the Garmin web site at www.garmin.com

Unless otherwise specified, all positions are stated as Degrees, minutes and thousandths of minutes (DDD,MM.mmm) and were determined using WGS 84 Datum. All bearings and courses are stated in Magnetic degrees.

~ Captain Paul ~
1 of 1 Comment(s) [ View All ]
May 04 at 11:45pm
crankbaitsProfile Photo
Captain Paul - GPS Info in Fourchon / Grand Isle in Southeast Louisiana
Captain paul im looling for some cordinates to the rock pile just west of west delta 152. If you could get them for me id really appreciate

Thanks
Captain Paul Profile Photo
Response by Captain Paul
April 21 at 1:20pm
The ROCK PILE
~ Captain Paul's response ~

I don’t have a specific location named “The Rock Pile”, but I do see a jagged bottom rise from a depth of 248 fathoms (1488 feet) to a depth of 69 fathoms (419 feet) on my contour charts of the area. This location is a very prominent rise in the sea bed that is located at or about a position of 28° 32.981’N ~ 89°55.807’W, which is about 14 miles at a bearing of 260° from a platform (28°35.281’N ~ 89°41.898’ W) which is located in WEST DELTA Leased Block 152. This platform is about 27.5 miles at a bearing of 218° from the mouth of South West Pass of the Mississippi River.

The feature I located is in Mississippi Canyon (MC) Leased block 397.

As said, I don’t know if this is the site you are looking for, but it stands out as a large formation. Farther westward the bottom drops to 210 fathoms then has a gradual rise to 41 then to 33 fathoms.

Hope this helps,

Captain Paul
April 19 at 11:53pm
Hoosier DaddyProfile Photo
Captain Paul - GPS Info in Fourchon / Grand Isle in Southeast Louisiana
Ever hear of a spot called the propane bowl or propane tank about 70 miles due south of Belle Pass and a few deg to the west? Was talking with a gentleman about a nice grouper hole. If you happen to have info on it, please message me. Would like to find it and give it a shot. Anybody care to share any info on other grouper spots?
Captain Paul Profile Photo
Response by Captain Paul
April 03 at 7:40pm
The Propane Bowl.
I could NOT find a specific location that is officially called the Propane Bowl south of Belle Pass.

However, there is a double rig structure that is ownen by Matathron Oil called 'LOBSTER' that is 69 miles at a bearing of 179* from the mouth of Belle Pass in the Gulf of Mexico. It is in the Leased Block # 873 of the EWING BANK (EW)Area at or about 28°06.1924’ N ~ 90°12.0454’ W longitude. The site is listed as a 24hr 7 day a week work site and is listed as a 'Collection/Processing Site.' There are numerous under water pipelines that 'feed' the structure from other wells llisted in the area. It is shown on NOAA Chart 1116A Leased Blocks Ms River to Galveston, TX to be in about 120 fathoms of water.

I can't guarantee that this is the location you are looking for. This is a pretty far piece to run on a goose chase if it not correct.

I am still looking, and trying to contact some of my offshore frients to see if they have any additional info.

Any additional info will be posted on this site,

Captain Paul
March 30 at 8:52pm
pmcdanielProfile Photo
Captain Paul - GPS Info in South Central Louisiana
Captain Paul, I have a Lowrance Elite 7. I want to know if I can purchase one of you waypoint files for an area and then directly download onto my micro-chip and then put chip in Lowrance. Thanks!
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Response by Captain Paul
April 03 at 7:15pm
EDGE to Lowrance unit
The safest way is to use the Lowrance data transfer program called INSIGHT PLANNER.

Some GPS unit operating software will let you copy the Lowrance .usb file onto a spare data card and then transfer it into the internal waypoint memory of a unit.

But,you should get Lowrance’s data transfer program they call INSIGHT PLANNER. This program can be found as a “For Sale” item on the Lowrance web site in their mapping section. The program allows you to safely transfer data between a SPARE memory card your computer and your GPS unit. This data program is included in their INSIGHT Mapping programs or as a stand alone as the PLANNER version.

Basically, you save the file to a folder in your computer, open the INSIGHT program and import the file into the program. Once there you can edit the data, add additional, or delete waypoints, routes, and track data.

By using the INSIGHT program, it ensures that the data is in the proper format for the GPS unit. However, depending on the version of the operating software in your unit, you may be able to just copy the .usr or the .gpx file directly to a spare memory card. To test this type of transfer without the Insight program, place a spare memory card in your GPS unit and transfer (save) the waypoints to the memory card. Then, place the card in your card reader and view the file suffix file (.gpx or .usr) on the card. Then copy the corresponding Edge file to your card.

The Edge file has a READ ME and an instruction file in Word format that will assist you in getting the Edge data into your GPS unit.

Contact me if you need any additional information.

~ Captain Paul~
April 02 at 9:28pm
Skeeter 69Profile Photo
Captain Paul - GPS Info in Cocodrie / DuLarge in South Central Louisiana
I have the Elite 7 HDI. What Edge download will I need for it to work on my GPS. The Lowrance-Eagle of the generic GPX File. Thanks for your help.
Captain Paul Profile Photo
Response by Captain Paul
March 24 at 1:23pm
EDGE for a Lowrance system
~ Captain Paul's response to: ~ Skeeter ~

Either file should work with your Lowrance data transfer program. The Edge for Lowrance systems has both the .gpx file and the Lowrance .usr files.

You should get Lowrance’s data transfer program they call INSIGHT PLANNER. This program can be found as a “For Sale” item on the Lowrance web site in their mapping section. The program allows you to safely transfer data between a SPARE memory card your computer and your GPS unit. This data program is included in their INSIGHT Mapping programs or as a stand alone as the PLANNER version.

Basically, you save the file to a folder in your computer, open the INSIGHT program and import the file into the program. Once there you can edit the data, add additional, or delete waypoints, routes, and track data.

By using the INSIGHT program, it ensures that the data is in the proper format for the GPS unit. However, depending on the version of the operating software in your unit, you may be able to just copy the .usr or the .gpx file directly to a spare memory card. To test this type of transfer without the Insight program, place a spare memory card in your GPS unit and transfer (save) the waypoints to the memory card. Then, place the card in your card reader and view the file suffix file (.gpx or .usr) on the card. Then copy the corresponding Edge file to your card.

The Edge file has a READ ME and an instruction file in Word format that will assist you in getting the Edge data into your GPS unit.

Contact me if you need any additional information.

~ Captain Paul~
March 21 at 7:12pm
Tim KlesaProfile Photo
Captain Paul - GPS Info in Southeast Louisiana
Hey guys, it free. Don't be afraid. Just want some people to use it and let me know what you think.

It's kind of a hobby for me, might work out well for everyone.

Tim
March 16 at 8:17pm
Tim KlesaProfile Photo
Captain Paul - GPS Info in Southeast Louisiana
Let me introduce myself.

My name is Tim Kolesa. I am a resident of Louisiana for 40+ yrs. I'm
originally from Illinois. I moved down here to attend LSUNO. Married,
raised a family and stayed put.

When I first moved down here, being an avid weekend fisherman in
Illinois, I bought a small boat and went fishing. Raising a family,
buying a house, and making a career....  Read More
March 13 at 10:38am
dbarreiroProfile Photo
Captain Paul - GPS Info in Louisiana
I just moved to Texas and I am looking to purchase a BlueChart Data Card (MUS014R) for my Garmin 2006/2010 GPS unit. Any suggestions where this discontinued card may be found? Thank you.
David
Captain Paul Profile Photo
Response by Captain Paul
March 06 at 4:43pm
i found several companies who may have the item.
Try WWW.STUCCU.COM

They may have what you Str looking for. If not, do a google search for the item you need.

http://stuccu.com/s/Bluechart+Data+Card-MbSLsTI-Buy-Exclusive-Deals-70-OFF-Save-Big-Lowest-Price-On-Bluechart-Data-Card-Best-In-Stock-Fast-Free-Shipping?mt=b&keyword=%2Bbluechart%20%2Bdata%20%2Bcard&ap=1o2&cid=60495468778&caid=53506cdeb1b1c62a0c0fcc70&netid=1&network=g&aaid=54595432b1b1c618d4c5eee7&gclid=CjwKEAiAveWnBRCzjqf4zpuUkGYSJABcoZbHYI23dT5i5e4djhrEZRXhzCn-8sImSUq1eXEtzZz-vxoCp0zw_wcB

Captain Paul
March 04 at 12:06pm
Jpoche85Profile Photo
Captain Paul - GPS Info in Delacroix Island in Southeast Louisiana
I just bought a Lowrance Elite 5 HDI unit for my boat. I fish the Delacroix area when I do fish. My question is what is the best SD card to give me the best possible map of the Delacroix area?
Captain Paul Profile Photo
Response by Captain Paul
February 25 at 2:27pm
What is the best mapping for the Delacroix area?
~ Captain Paul's response to: ~ JPOCHE85 ~

I see that there is a great deal of opinions concerning mapping for your GPS unit. That is very good and you should consider them all. But, I like the Lowrance TOPO INSIGHT. Insight HD & PRO v14. The TOPO INSIGHT is based on USGS topographical maps and not NOAA Charts.

Yes, I know, the NOAA charts are the best in the world for detailing the Aids To Navigation buoys, cans, nuns, lights and day markers that define established marine waterways, but I believe that they do not depict the myriad of small bayous, lagoons, bays, lakes and canals that make up the Louisiana swamps and marshes.

According to Lowrance the Topo Insight HD maps are “Based on satellite imagery from the U.S. Geological Survey with resolution down to 8m. They are compatible with Lowrance HDS Gen2 and Gen2 Touch, Mark HDI and Elite HDI products.

The topo based mapping covers the small land features as well as the water bodies that surround them. The TOPO INSIGHT is sold in regions and they have one for the SE U.S. that covers Louisiana, Mississippi, Alabama, Georgia, Florida N. and S. Carolina and Tennessee.

So my suggestion is that you visit a stocking Lowrance dealer and view the available mapping. Check out the TOPO INSIGHT by zooming in to an area that you are familiar with and see if it meets your requirements.

If not, check out the NAUTICAL INSIGHT. Compare them along with the other mapping suggestions some of your readers made.

Captain Paul
February 22 at 10:53pm
wishin-I-was-fishinProfile Photo
Captain Paul - GPS Info in Vermilion Bay in South Central Louisiana
Photo Album
  • Caldwell Reef 3D
  • The Cove, Vermilion  Bay
Hey Capt Paul, I read the articles on GPS and mapping and I have something that may blow you out of the water.

Over the course of a couple of months I debated on whether or not to sign up for Navionics or Lowrances Insight Genesis. The part I could not get over is the $100 yearly fee associated with the programs. Besides the money, I would have to record sonar data and upload to them....  Read More
February 20 at 9:08pm
mike the tigreProfile Photo
Captain Paul - GPS Info in Louisiana
Capt Paul please give detailed instruction to get GPS coordinates off Google earth///I would like to find points in Delocroix and Hopedale areas and put them in my Lowerance HDS7 touchscreen as waypoints Thanks in advance
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Response by Captain Paul
February 13 at 5:03pm
GOOGLE W/Ps TO LOWRANCE
~ Captain Paul's response to: ~ Mike the Tiger ~

Ok Mike, there are two ways of completing your mission. I suggest that you try both and see which one works best for your unit and your piece of mind. Both require a two part operation on your part.

Either way, you should do the first part for either of the options.

First, get a SPARE data card that will be used to ONLY make data transfers from your computer to the GPS unit. Place it in the unit and turn the unit on and change any function in the unit. Remove the card and bring it to your computer.

Then make a folder in the Google Earth client window (c: program files/google/googleEarth/client/MY GPS points). Name it something like my GPS points.

This will be the location where you save the Google “Places”. They will go to the general CLIENT file, so you may have to “move” them in to the proper GPS named folder.

Open the Google Earth program and In the VIEW link, select Tool Bar and Sidebar by checking the links. This will allow you to see a bar on the left side of the screen as well as a toolbar at the top of the view.

The waypoints will appear in the PLACES box in that bar. Organize it to your taste.

Google Earth can record and save the places in a variety of position formats. I suggest that you use the Degrees and Decimal minutes (DDD,MM.mmm) as this is usually the default setup for your GPS unit. If it is not, change it to this setting in the Google Earth Options / 3D View in the Show Lat/Long settings. They also use a WGS84 DATUM in plotting and displaying their mapping images. It is a locked in setting that you are not able to change in the Google Earth program. Your GPS system should be set to the same WGS 84 datum setting. Both categories must agree in both the position format and the DATUM settings.

Google Earth saves the positions as an .kml or a .kzm. files. These files will be the ones that you convert and transfer to the computer then to your GPS unit.

Zoom in the Google Earth program and mark your places (waypoints)

Mark and save your positions by using the ADD PLACEMARK icon link or by using the Control + shift + S key strokes.

Save your locations as a Placemark (waypoint) one at a time. You can select color of the map pins by using the right click of the mouse in the Waypoints box and selecting the PROPERTIES button.

After all of the waypoints are saved and moved into the MY GPS file you are ready to make the transfer.

Select the location where you want the data to go (MyDocuments or My Library/GPS WAYPOINTS/HOMEDALE (or DELACROIX) whichever is appropriate for the area you converted. Copy the Google Client file to that location,

Part Two

On the web, go to www.GPSBabel.org and start the download by clicking on the link. It is a FREE data internet download. Install an icon on your desk top for the program.

Open the Babel program and select the INPUT format as Google KML and select the Google place file where you placed it in the Program files/google/googleEarth/client/MYGPS/Delecroix (or Hopedale) folder. All of the Google Earth place locations you marked should be in that one folder.

Indicate that file in the Babel program. Click the WAYPOINTS box in the Babel Program and then select the Lowrance or the Lowrance version 4 for the file type depending on what version of Lowrance software your unit is running. Try the Version 4 first.

Click the OK. The data your place marks should all be converted to Lowrance .usr waypoints and should me in the appropriate folder.

Now copy the converted file to the spare memory card. In doing so, you may want to rename it or use the full name. Place the memory card in your GPS unit and using the MENU features in that unit, transfer the data from the data card into the internal waypoint memory. All of the waypoints should appear as overlays on what ever mapping program you may have.

Another Option.

If the unit does NOT recognize the file, you will have to use the Lowrance data program called INSIGHT PLANNER. It is a “For Sale” item on the Lowrance web site. Check out the Mapping links, or search the site for INSIGHT Planner. You will note that Lowrance offers several type of supplemental mapping that you may be interested in, including Insight Topographical maps. I like this type of mapping, as I believe that it shows the Louisiana coastal marshes with much better detail than some of the other mapping versions.

The INSIGHT PLANNER can read Google KMZ files so it saves you the trouble of having to use the Babel program. However it is a good idea to download and install the Babel program in your computer is it is a great tool for converting waypoints, tracks and routes from one manufacturer’s format to another.

From there, open the Lowrance INSIGHT PLANNER, and click on the TRANSFER button then the IMPORT then the FILE ON DISK then the GOOGLE EARTH option. If the Babel copy you first tried did not work on the memory card, you can select the Lowrance .usr file to import into the Insight Planner. If you by passed the Babel option, simply select the GOOGLE file option and import it into the Insight program.

Once there you can delete and add additional waypoints, combine several locations together and when finished you can EXPORT the USR file by selecting the TRANSFER/ EXPORT/ File on Disk and save it to the spare memory card. This program offers you several of the older versions of the USR format. You may have to experiment which version will work in your newer unit.

Contact me if you need any additional help.

~ Captain Paul ~
February 13 at 11:39am
shuckdooterProfile Photo
Captain Paul - GPS Info in Southeast Louisiana
Just got my first boat and looking to see if yall can point me in the right direction for a good chartplotter/fishfinder. Should I be looking for a combo unit or two separate units? Looking to stay around $500 but will spend more if it means I get the right gear. Also, which navionics card is best for southeast Louisiana? Thanks in advance.
Captain Paul Profile Photo
Response by Captain Paul
February 12 at 11:35am
BEST GPS and Mapping
~ Captain Paul's response to: ~ Shuckdooter ~

I can help you somewhat, but you are going to have to do a little investigation on your own to get the features and performance you want.

As for my suggestions, I can give you some pointers to consider.

There are several brands that are available for your needs, but you will be hard pressed to find one with the necessary mapping for the dollar price you set. The largest sellers in the consumer market are Lowrance, Garmin and Humminbird units. Certainly there are other companies but start with these to establish a benchmark for your investigations.

At one time I would not have recommended a combo unit as one feature seemed to be always better than the other. But, today’s technology allows combo units to be as good as any stand alone unit. Most units allow the user to split the screen to have both a navigation and sonar image at the same time.

Both types of sonar/GPS configuration would work for you, so your selection will be determined by the foot space of the unit, available space around the helm, and price. Two units will take up twice the space than one combo.

As for the brand of GPS unit you should get, that is entirely up to you. All of the above manufacturers produce top flight units. But you should know that they require DIFFERENT MAPPING programs.

Many GPS users first select the available mapping, then get a compatible GPS unit that will accommodate the mapping they choose.

The next consideration is the size of the viewing screen. You will find that the price increases with the size of the screen, so use that as a guide. Compare units with the same size display for a fair assessment.

I suggest that you investigate all of the brands and their respective models of GPS units, comparing one to another. They all will provide an accuracy with the WAAS feature to within three (3) meters. Then after deciding on the unit, you will have to then determine what type of supplemental mapping you will need with the unit. Or as stated above what unit will accommodate what mapping software.

These mapping programs can run into the hundreds of dollars, so you should consider the total cost of the unit and the necessary maps you will need. Be careful here as some of the less expensive units CANNOT accept any supplemental mapping. What is in the unit is what you have to use.

As for the mapping that is available, you should first know that those that would work in one unit may not work in other units. The Navionics and the Lowrance INSIGHT TOPO are ortho corrected mapping as is the Garmin chart and Topographical based programs. These programs that could set you back another $100- $300 and even higher. So be careful when ordering any of these programs as there is no return on software items.

For instance the Navionics # 907 P+ will cost about $399. These charts are based on NOAA marine Charts. The detail is not going to be as sharp or detailed and the coverage not as broad as the topographical based maps. The Lowrance Topo Insight PRO 2013 East is based on Topographical maps and offers, which I believe, is the best type for details for the Louisiana coastal marshes and inland lakes.

Garman’s TOPO US 24K – Southeast U.S. covers several of the Gulf of Mexico stats and is available for around $100. It offers superb marsh detail.

Most companies also offer an aerial photo based mapping that designed to be used in their unit. Some are purchased outright while some are provided as a yearly purchased download.

If you go with a Lowrance system, be sure to get the Lowrance INSIGHT PLANNER. This program allows you to transfer data such as Routes, tracks and WAYPOINTS between your GPS unit and a PC computer. It is an invaluable tool for archiving your data and in planning a trip.

Humminbird offers their Humminbird PC and Garmin has their BASECAMP programs that allow for computer to GPS unit data transfers. In today’s electronic world, it is the way to go for installing routes, tracks and waypoints in the units.

Again, remember that the maps are not interchangeable between the different units.

Go to a stocking dealer(s) that handles Garmin, Humminbird and Lowrance their mapping and actually view the detail and coverage of the aforementioned mapping programs.

Ask to view the different mapping programs that are available for the unit. Find you fishing area and zoom in on a particular location. Compare one to another. This will give you the necessary knowledge to make an intelligent decision.

Please Get back in touch and let me know what you decided on.

~ Captain Paul ~
February 10 at 4:12pm
MEVProfile Photo
MEV
Captain Paul - GPS Info in Louisiana
Capt Paul

How accurate are GPS coordinates taken from Google Earth? If I use Google Earth on my computer to find a spot in Lake Pont. how close will the GPS coordinates put me to that spot? Someone told me that the government required a deviation that altered the accuracy.
Captain Paul Profile Photo
Response by Captain Paul
February 03 at 5:55pm
Google Accuracy
~ Captain Paul's response ~

Yes, No and Maybe.

I guess that covers it all. But seriously, they all could apply depending how you are using the settings in your GPS unit as compared to the Options in the Google Earth program.

Let me explain. My information is that Google Earth uses a EGM96 Geoid in displaying their Google Earth programs.

EGM96 (Earth Gravitational Model 1996) is a geopotential model of the Earth consists of coefficients complete to degree and order 360. Basically it is a model of the earth as devised in 1996 which allows the user to precisely place positions on the surface of the ellipsoid. This model is the result of a collaboration between the National Imagery and Mapping Agency (NIMA), the NASA Goddard Space Flight Center (GSFC), and Ohio State University.

Very accurate positions can be placed on the Geoid with regards to vertical and horizontal locations. Some map makers use an ellipsoid model for their model. The Geoid model is usually more accurate for positions that are in elevations that are above the surface of the Geoid, whereas the Ellipsoid model is usually better used for relative flat areas near to sea level.

Either way, I believe that the Google Earth images are corrected to use WGS 84 datum. So if that is the datum that you use, simply enter the Google coordinates into your unit. Be sure to check the position format to be sure that they also agree. You can either change the Position Format ( Location) in your GPS unit or you can change the Google Earth display by going to the TOOLS/Options link at the top of the program and select what ever position format you normally use. Be sure that they agree.

So, if you are using your GPS unit in a relative flat area, such as Louisiana, or any sea level environment, I would assume that the figures are fairly accurate. However, if you are using the WAAS feature in your GPS unit in order to get the 3 meter accuracy via the differential system, your position via Google may only be to a position accuracy of 20 meters.

I would use the Google info but use it with suspect. When you get to the actual location you should use your WAAS activated GPS unit of “refine” the position.

If you need any additional information, get back with me.

Captain Paul
February 03 at 6:43am

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