[pct-l] Re: DeLorme TOPO

[reynolds@iLAN.com (Reynolds, WT)]

Using TOPO! I traced the trails between Rush Creek an Mammoth.The distances
were 10-20% shorter. Upon hiking the trail the reason was obvious.
SWITCHBACKS! My suggestion is whenever you see switchback when tracing make
exaggerated switchbacks with the trace. This seems to fix the problem.

Tom

-----Original Message-----
From: Cfjennings@aol.com [mailto:Cfjennings@aol.com]
Sent: Friday, August 03, 2001 5:59 AM
To: pct-l@mailman.backcountry.net
Subject: [pct-l] Re: DeLorme TOPO


I've had the same problem.  The PCT route is inaccurate in the software.  
VERY inaccurate!  By miles in some areas.  (Castle Craggs, for instance).  I

emailed  the mfr., but they seem unconcerned to fix it until the next 
version, which they will CHARGE us for.  Use the guidebook.

> 
>  Has anyone had a problem with the Delorme Topo USA version 3.0 =
>  topographical map software. I created a rout starting at the southern =
>  end of the PCT running up to Warner Spring. The guide book says the =
>  distance is 110.6mi the software says 79mi. I tried it against other =
>  shorter trails that I know and sometimes it was on target but most often
=
>  not. I'm not sure if its something I doing wrong or the software.
>  
>  Paul
>  
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