From: Paul Baranco (sianspeed@earthlink.net)
Date: Thu Jul 18 2002 - 14:56:38 CDT
GPS readings are dependent upon orbiting satellites for accurate
coordinates. Each day has a schedule of the hours with dependable coverage by
the available satelites. Wide variability in readings can occur during cusp
periods of satellite coverage. Additionally, forest canopy cover can skew
readings.
----- Original Message -----
From: Signe Rogers
To: Multiple recipients of list philmont
Sent: 7/18/02 1:25:06 PM
Subject: Re: [Philmont]: Re: GPS DATA
Available?
Most of the work I had done seemed within the ballpark, but several
locations were way off, especially trying to find the first windmill N
of
Rich Cabins. When the GPS told us we were there, we were still
in the
middle of forest and not a clearing in site. We did some
guestimation with
the map compass (kind of hard to triangulate in the middle of a
forest!)
found our way - about 15 more minutes to find the windmill.
----- Original Message -----
From: "Alan R. Hamm" ahamm@alanhamm.com
To: "Multiple recipients of list philmont" philmont@troop47.com
Sent: Thursday, July 18, 2002 12:36 PM
Subject: Re: [Philmont]: Re: GPS DATA Available?
Signe,
Did you find them way off too? I know I entered several
camps from a list
obtained from Sheldon's site that appeared to be much closer to
"reality".
Alan
----- Original Message -----
From: "Signe Rogers" HikinMama@iglide.net
To: "Multiple recipients of list philmont" philmont@troop47.com
Sent: Thursday, July 18, 2002 12:28 PM
Subject: [Philmont]: Re: GPS DATA Available?
Since demonstrating ability to use a GPS is one of the Venturing
Ranger
Award requirements, when I hiked with a crew of Venturers in
2001, we
took
advantage of the opportunity to use the GPS at Philmont. As
others have
observed, proper use of a GPS requires being aware of several
factors,
including the fact that it does not *exactly* pinpoint
locations. There
will always be some deviation and users must of course keep this
in
mind.
It is also my strong opinion, and probably the opinion of just
about
every
other GPS user out there, that one can not make it a substitute
for map
compass skills.
I entered waypoints before hitting the trail, and then I also
marked
waypoints in my GPS as we went along the trek. The
waypoints taken from
the
locations themselves are in a spreadsheet that Selden has put on
his web
site. http://w4.lns.cornell.edu/~seb/philmont-t19-gps.xls
The waypoints are limited to the trek we did last summer, and
since it
was
all North Valle Vidal, it will have limited use for any
treks this
summer,
but you should know those are from-the-trail markings and not
based off
the
map grids. Also, Trek 19 that we did in '01 is a
different itinerary
than
the '02 Trek 19. The deviations of what my GPS
recorded where yours
will
take you will still be there, but they should be much closer than
the
map
readings.
Signe Rogers
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-------------------------------------------------------
As you gather around this virtual campfire with fellow
Scouts and Scouters, do your best to be trustworthy,
loyal, helpful, friendly, courteous, kind, obedient,
cheerful, thrifty, brave, clean and reverent.
-------------------------------------------------------
-------------------------------------------------------
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Subscribe/Unsubscribe at http://usscouts.org/lists/
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Send listserv commands to: listserv@troop47.com
Send postings
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List Administrator: philmont_owner@troop47.com
-------------------------------------------------------
As you gather around this virtual campfire with fellow
Scouts and Scouters, do your best to be trustworthy,
loyal, helpful, friendly, courteous, kind, obedient,
cheerful, thrifty, brave, clean and reverent.
-------------------------------------------------------
--- Paul Baranco
--- EarthLink: It's your Internet.
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Subscribe/Unsubscribe at http://usscouts.org/lists/
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As you gather around this virtual campfire with fellow
Scouts and Scouters, do your best to be trustworthy,
loyal, helpful, friendly, courteous, kind, obedient,
cheerful, thrifty, brave, clean and reverent.
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