[pct-l] smartphone as GPS

[James F. Miller]

I too would welcome advice about droid phones,  and the ability to read maps and get GPS when out of cell range
 
> From: asabat at 4jeffrey.net
> To: gmushial at gmdr.com; pct-l at backcountry.net
> Date: Mon, 25 Oct 2010 10:34:51 -0700
> Subject: Re: [pct-l] smartphone as GPS
> 
> I think most phone capable of viewing maps has a GPS. Battery life is an 
> issue.
> 
> I'm looking at droid apps that can view topo maps with no cell coverage. A 
> couple ideas are Backcountry Navigator and Trimble. Experiences welcome.
> 
> -----Original message-----
> From: greg mushial <gmushial at gmdr.com>
> To: pct-l at backcountry.net
> Sent: Mon, Oct 25, 2010 17:11:56 GMT+00:00
> Subject: Re: [pct-l] smartphone as GPS
> 
> > Message: 2
> > Date: Mon, 25 Oct 2010 08:44:13 -0700
> > From: Austin Williams <austinwilliams123 at gmail.com>
> > Subject: Re: [pct-l] smartphone as GPS
> > To: pct-l at backcountry.net
> > Message-ID:
> > <AANLkTinOvNfuQPZHGGwxJk2BCWN9RR=DTjKCx7wJ9yr6 at mail.gmail.com>
> > Content-Type: text/plain; charset=ISO-8859-1
> >
> > Be careful. Most of the time the 'GPS' in smart phones is based on
> > cell-tower triangulation, NOT gps-satellite triangulation. That means 
> > when
> > there are now cell towers around, the "GPS" on the phone won't work. Make
> > sure you buy one that uses *real* gps, not the kind that uses cell tower
> > triangulation.
> >
> > Just a heads up.
> >
> > -- 
> > Austin Williams
> >
> 
> Is there any (published) indication of accuracy difference? Seems that since 
> 
> generally towers don't jump around, they should be as good as satellites... 
> no?
> TheDuck 
> 
> _______________________________________________
> Pct-L mailing list
> Pct-L at backcountry.net
> To unsubcribe, or change options visit:
> http://mailman.backcountry.net/mailman/listinfo/pct-l
> 
> List Archives:
> http://mailman.backcountry.net/pipermail/pct-l/
> 
> _______________________________________________
> Pct-L mailing list
> Pct-L at backcountry.net
> To unsubcribe, or change options visit:
> http://mailman.backcountry.net/mailman/listinfo/pct-l
> 
> List Archives:
> http://mailman.backcountry.net/pipermail/pct-l/