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Best Inshore GPS Mapping System

Old 11-20-2017, 03:30 PM
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Default Best Inshore GPS Mapping System

I am looking into upgrading my GPS Mapping Unit. I currently have a Garmin. I would really like the ability to easily transfer routes that I create on Google Earth into usable routes saved on data cards. My routes are precise since I am inshore and navigating around Oyster Bars and shallow Flats.

I would like the mapping unit to show as much detail as current technology allows.

Any thoughts on which direction I should go?
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Old 11-20-2017, 04:32 PM
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Inavx on iPad kicks ass
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Old 11-20-2017, 04:47 PM
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I think I want to stay with a console mounted unit with a depth finder
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Old 11-21-2017, 12:02 PM
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No other preferences? The inavx app is very poor for my needs. No detail at all. I paid $15 for it and it is useless
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Old 11-21-2017, 02:54 PM
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Default GPS map

What area of the country do you plan to use the map in most often?
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Old 11-21-2017, 06:36 PM
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Old 11-22-2017, 10:41 AM
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I was impressed with Navionics+ I'm in florida and recently got the Florida Marine Tracks chip and it is even better. The Marine tracks has all waypoints that you could find online nothing revolutionary, but it also has travel routes and even some skinny routes That you would need a skiff or the right tides to get thru. Highlighted in Black of course. Tons of information and surprisingly good picture overlays.
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Old 11-23-2017, 07:53 AM
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I am thinking about getting the Florida Marine Tracks. I seem to have more routes of my own in google earth than they have so far.

I am trying to get a unit that has the best graphics, and also has some ease in converting routes I create in google earth onto an sd card to run in the unit. Garmin is kind of cumbersome, and the graphics don't seem that detailed, even in g2

I fish around Yankeetown
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Old 11-23-2017, 01:40 PM
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Originally Posted by Jgrabe View Post
I am thinking about getting the Florida Marine Tracks. I seem to have more routes of my own in google earth than they have so far.

I am trying to get a unit that has the best graphics, and also has some ease in converting routes I create in google earth onto an sd card to run in the unit. Garmin is kind of cumbersome, and the graphics don't seem that detailed, even in g2

I fish around Yankeetown
You can create any tracks you want in google or any map planning program and load onto any unit you want. At that point it’s just a matter of what map you prefer to see them on top of. Once you figure that out then you can choose a specific machine that runs that map.
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Old 11-24-2017, 04:56 AM
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subscribed too - contemplating iPad with Cellular.
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Old 11-24-2017, 06:55 AM
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FMT, I spent all last winter attempting to install image maps obtained from the US. Then I was going to put an "over-lay" on top. Guess what, they say it cannot be done! I have a Garmin unit and really cannot open even the map section because I do not have the code to do so, so if anyone attempts this make sure you have the original code that came with your unit. If not you are out of luck because Garmin will not even talk with you.
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Old 11-24-2017, 05:58 PM
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Originally Posted by Soots View Post
FMT, I spent all last winter attempting to install image maps obtained from the US. Then I was going to put an "over-lay" on top. Guess what, they say it cannot be done! I have a Garmin unit and really cannot open even the map section because I do not have the code to do so, so if anyone attempts this make sure you have the original code that came with your unit. If not you are out of luck because Garmin will not even talk with you.
What you describe is very different from just importing tracks into your unit to display. With Garmin, you are not going to be able to create your own map to run on the unit that has Tracks as a map feature and/or ad your own photos etc. But you can create any tracks you want and import them into your unit and they will overlay on top of whatever Garmin map you use and that goes for any unit out there.

If you want to make your own map and ad your own photos etc, it is possible but you will have to lose the Garmin and get a Navico unit as Navico does provide the ability for those that know how to do it. That noted, if you have not done this before, unless you really have a high motivation factor to do it, I would not recommend it as its not an easy or fast process if you want to make a decent map and virtually no assistance is available to teach you.
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Old 11-28-2017, 06:47 PM
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I can recommend what I personally use. At the moment, I have the Raymarine Axiom 12 on the boat running Navionics Platinum+ charts. Yes there are other chart cards out there that have good satellite overlay, but the main reason I stick with the platinum chart card is because it not only has great satellite imagery overlay ( which I can change the opacity overlaying my nav charts and is pretty handy ), but navigational charts, sonar charts(1ft contours fishing charts), 3D views, advanced map options, etc... It's a great all in one package for me. The axiom unit itself has a very fast processor, user friendly interface, excellent screen quality and attention to detail, high chirp, side/down vision, 3D imaging, etc... These units are bad to the bone. For the last 2 years I had a raymarine es series unit on the boat and that was an excellent unit as well.



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Old 11-28-2017, 06:51 PM
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Also, I saw you mention an app as well. IF you are looking into a great app try out the boating app. I got a free trial when I first downloaded and it was only about 9bucks for the year. Great app with the same great navigational and sonar charts that I have on my chart card in the plotter and with tides, weather, currents, etc. It's also great to use for plotter sync, updates, etc... paired with my raymarine with the platinum chart card. Good stuff!

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Old 11-28-2017, 08:18 PM
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Originally Posted by fieldsfishing85 View Post
I can recommend what I personally use. At the moment, I have the Raymarine Axiom 12 on the boat running Navionics Platinum+ charts. Yes there are other chart cards out there that have good satellite overlay, but the main reason I stick with the platinum chart card is because it not only has great satellite imagery overlay ( which I can change the opacity overlaying my nav charts and is pretty handy ), but navigational charts, sonar charts( contours fishing charts), 3D views, advanced map options, etc... It's a great all in one package for me. The axiom unit itself has a very fast processor, user friendly interface, excellent screen quality and attention to detail, high chirp, side/down vision, 3D imaging, etc... These units are bad to the bone. For the last 2 years I had a raymarine es series unit on the boat and that was an excellent unit as well.



You sound like the just the man I need to talk to, if you don't mind sharing. Is this the Axiom RV or Axiom Pro? Reason I am asking is that I've had a question up here for a while re 1) the effective depth range of the 3D function, and 2) whether it would be useful for marking mid water bait balls out in the deeper water when it can't pick up bottom any more.
I certainly like that satellite overlay--I am considering the purchase of a dual display Axiom RV setup, and it would be good if it were available on the Australian Platinum+ cards.
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Old 11-29-2017, 05:46 AM
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Originally Posted by Jgrabe View Post
I am looking into upgrading my GPS Mapping Unit....I would really like the ability to easily transfer routes that I create on Google Earth into usable routes saved on data cards....I would like the mapping unit to show as much detail as current technology allows....Any thoughts on which direction I should go?
I think you are a bit confused about what you have called a "GPS Mapping Unit."

There are three elements in the typical small boat system of electronic charting:

--the position finding device, usually a GNSS receiver, often a receiver that only works with the USAF's GPS system. Better receivers work with GLONASS and GALILEO GNSS constellations, too.

--an electronic display device that shows the position of the GNSS receiver on some sort of electronic chart display; these are called electronic chartplotters;

--the data on the electronic chart, showing the position of the land and the depth of the water.

For the position finding device, if you need position accuracy to about 1 to 2-meters, then any GPS receiver with WAAS will be fine. If you need more position accuracy, get a more sophisticated receiver, perhaps with Real-Time Kinetics (RTK). With RTK you can get position to a centimeter accuracy, but you have to subscribe to a service and have a link to their base station. This will only work in areas very close to shore.

For a display device, you can choose a brand and model to suit. Almost all recreational grade marine displays have NMEA-0183 or NMEA-2000 interfaces, which you will need in order to get the position data from your GNSS receiver to the display. These devices are called chart plotters. You will be getting a recreational grade marine chart plotter.

For electronic charts, you will have to choose from charts which can be displayed on your particular brand's display. Many manufacturers of recreational grade marine chartplotters intentionally limit the formats and brands of electronic charts that they will display, generally limiting them to their own brands or allied brands. In USA Coastal waters most publishers of marine charts start with data from NOAA and add to it their own data.

The government of the USA provides free electronic charts for coastal, Great Lakes, and some inland waterways. These are in standard international formats, either in raster or vector type charts, and are completely free. The problem is almost no recreational marine chartplotters will display them. (Raymarine has their own version of these charts, but you have to get them from Raymarine, not from NOAA.)

The worst choice for chart plotters is a GARMIN, as it seem to only be able to use its own brand of charts, and little else--although this sort of thing changes from day to day as deals are made or chart brands are bought out.

GOOGLE EARTH exports its routes in its own format, .KML. You can convert a .KML route file to a .GPX file by using a utility application and running it on your own computer. The GPX (or GPs eXchange) format is the lingua franca of modern geoposition data exchange. Almost any chart plotter can import data in .GPX format.

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Last edited by jhebert; 12-02-2017 at 08:19 AM.
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