MotionX GPS allows me to load maps whilst connected to the network for viewing 
later when there is no network. You can only load a limited range/resolution of 
maps. 


Tim


On 11/06/2011, at 11:06 AM, cm wrote:

> 
> Hi Stuart,
> 
> What may have happened is that the GPS was working but you were not able to 
> fetch the maps. GPS works by directly contacting a so-called constellation of 
> 30 or so satellites that are in special orbits so that 4 to 10 are always 
> visible. The constellation was put in place by the US Department of Defence.
> 
> Maps on the other hand  are fetched over the cell phone network and rely on 
> you having 3G or Edge coverage at a particular location. Maps are cached so 
> you can get around the limitation by preloading the maps before you visit a 
> destination merely be searching for the destination or scrolling there while 
> you are still at home connected to your Wi-Fi. There are limitations on the 
> size of the cache but not having done much travel out of the city I am not 
> sure when the limit kicks in.
> 
> I have not done any research other map apps that are easier to preload with 
> maps but I would guess that they exist and others may have suggestions here.
> 
> Cheers,
> Carlo
> 
> 
> On 2011-06-11, at 10:50, Stuart Breden wrote:
> 
>> 
>> I visited the Scotia Sanctuary that is between Mildura and Broken Hill on 
>> the boarder between NSW and SA.  AWC needs more donors.
>> 
>> I was told that it may be a bit difficult to find so wanted to use the GPS 
>> on my iPhone.  Once out of mobile range from Wentworth no GPS coverage.
>> 
>> Does that GSP not work on the iPhone even if you are out of range of mobile 
>> phone coverage?  If so can I get an application that will make the iPhone 
>> GPS work when I am not in mobile phone coverage?
>> 
>> As it turned out Scotia was easy to find.
>> 
>> Stuart Breden
>> PO Box 132
>> Kalamunda WA 6926
>> Ph: (08) 9257 1577
>> Mbl: 0417 053 266
>> http://www.australianwildlife.org/AWC-Sanctuaries/Scotia-Sanctuary.aspx
>> 
>> 
>> 
>> 
>> 
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> 
> 
> 
> 
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