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  Topic Review (Newest First)
08-13-2008 03:07 PM
JSL3 I'm pretty sure the new iphone 3g has true GPS. I have one and it works quite well. It may use cell towers to get a general location so the GPS doesn't have to "work so hard", use extra battery power, etc. But it does have GPS. Here's a blog article that describes how it works. Link

BTW, I just bought the iNavX software last night ($49.95) and it looks great. I'll try it out on the water on Friday. I'll let you know how it goes.
08-13-2008 02:38 PM
SSBN506 I have a G3 and it isn't true gps from what i can see just the cell tower thing.
08-13-2008 02:27 PM
tonybinTX Beej67 - iPhone 3g has true GPS. Time to upgrade!
08-13-2008 01:56 PM
beej67 As soon as iPhone gets real GPS, and not the "interpolate between cel towers" crap it's got now, I might upgrade, and get the App too, as a backup.
08-12-2008 10:03 PM
slokaj I think it was $49.95 for the app, the chart downloads are all free.
08-12-2008 03:58 PM
beej67 What does the iPhone app cost?
08-07-2008 06:48 PM
PalmettoSailor MacENC looks pretty neat, but I think I'll stick with my free Seaclear on a PC for the time being. MacENC has some nicer features and support is no doubt better but Seaclear offers about 90% of the capablity for 100% less money.
08-07-2008 03:10 PM

The author of iNavX for the iPhone also has GPSNavX (raster charts) and MacENC(raster & vector charts) for the Mac OSX platform. GPSNavX™ - Marine Navigation & Charting Application for OS X Works great with the free NOAA downloadble charts in the US.

Info on the iPhone version at iNavX™ - Marine Navigation & Charting Application for iPhone. There is also a review on

In addition, AyeTides for the iPhone & iTouch will be available very soon.

Forums for these & Mac navigation software are at Forum Index - - Powered by FusionBB
08-07-2008 02:52 PM
Skipaway I'll be back when I learn to post links - Charlie
08-07-2008 12:37 PM
New iPhone gps/charting app!

As if you need another reason to buy an i-Phone, there's a new app that downloads government raster charts, and ties them to the gps capability on the phone. Plot courses, create waypoints, zoom in and out. Wonderful! I just downloaded the program, so I have yet to become familiar with it, but so far it looks great!

Anyone elese seen this?

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