Of course the other thing you don't get out in the sticks is google- maps (which needs a cellphone connection to download the street or satellite maps of your area) so if you actually want to see your position on a map and/or get directions or do auto-routing etc, you would need to use a 3rd party app with local maps stored on the iPhone.

There are a few fairly simplistic GPS apps available so far, but Tom Tom (and maybe Garmin) is rumoured to be working on an iPhone version of their GPS software which should bring turn-by-turn navigation with local maps and Text-To-Speech to the iPhone.

-Mart

On 15/10/2008, at 8:11 AM, Eugene wrote:

Hi Stuart,

the GPS uses both satellite and phone tower triangulation.

If you are out in the sticks it will work without a phone tower.

THe difference is that in the city with both towers and satellites the iPhone gets a quick approximate location within seconds and then your position is refined by the GPS as the satellites are located.

Out in the sticks it just takes 30 sec to a minute for the GPS to kick in. You don't get the almost instant approximate position given to you by the phone towers.

                     Regards,
                     Eugene


On 15/10/2008, at 7:12 AM, Stuart Breden wrote:

Hi Muggers

There is nothing in the archives or in iPhone Central about this.

Does the iPhone have to be able to receive mobile phone calls for the GPS to work? Or can the GSP work independently fro the mobile phone?

Stuart Breden
PO Box 132
Kalamunda WA 6926
Hm Ph: (08) 9257 1577
Wk Ph: (08) 9291 4599
Mbl: 0417 053 266



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