[Az-Geocaching] Re: EasyGPS and coordinates being off

[Jason Poulter]

i download one of my easygps files ... i had never synced it to my 
gps... but i tried and everything matched up fine... but you do need to 
make sure there on the same grid reference!!!

jason


Karl Smith wrote:
> Did some experimenting this morning and here is what I found...
> 
> I am using EasyGPS 1.1.6 and a Garmin Etrex Venture.
> 
> Problem: waypoints downloaded from www.geocaching.com are not being
> transfered to GPS unit accurately. May be a rounding problem.
> 
> Settings:
> EasyGPS set on COM2, model - eTrex (vista, legend, venture), coord - Deg,
> Min.Min
> GPS unit: WGS-84, Garmin protocol
> 
> Example1: load this cache point into EasyGPS
> <http://www.geocaching.com/seek/cache_details.asp?ID=270> coordinates show:
> 33?46.201 -111?51.943. After sending the waypoint to GPS, coordinates on GPS
> show 33?46.200 -111?51.942. Appears there is a rounding error either in
> EasyGPS or my GPS unit.
> 
> 
> Example2:load the following XML file
> -----------------------------
> <?xml version="1.0"?>
> <gpx version="1.0" creator="Snaptek - http://www.azgeocaching.com">
> <wpt lat="33.77001" lon="-111.86571">
>  <name>GC010E</name>
>  <cmt>Bob Renner</cmt>
>  <desc><![CDATA[CONE MOUNTAIN]]></desc>
>  <url>http://www.geocaching.com/seek/cache_details.asp?ID=270</url>
>  <urlname><![CDATA[Cache Details]]></urlname>
>  <sym>Geocache</sym> <type><![CDATA[Active]]></type>
> </wpt>
> </gpx>
> ------------------------------
> The coordinates in EasyGPS show the same as example 1, 33?46.201
> -111?51.943. After sending waypoint to GPS, coordinates on GPS show
> 33?46.201 -111?51.943. This is correct!
> 
> 
> This is the strangest part, in my GPS (from the original d/l of the entire
> state of AZ cache points) the point for GC010E was 33?46.222,-111?51.969.
> This accounts for being approx 300 feet off.
> 
> So I cleared all the waypoint out of the GPS unit and reloaded them. THIS
> TIME, they (GC010E, and the others I checked) are correct, sort of. They are
> off by the rounding condition explained above.
> 
> My best guess is that the transfer was not accurate from EasyGPS to my GPS
> unit, but I can't repeat the problem so I can't confirm which is the
> problem.
> 
> PS- I sent the above message to EasyGPS support. Will let everyone know if
> they reply.
>