[gps-talkusers] Re: gps receiver question
- From: Kevin Chao <kevinchao89@xxxxxxxxx>
- To: <gps-talkusers@xxxxxxxxxxxxx>
- Date: Tue, 22 Apr 2008 16:53:36 -0700
Scott,
The orientation of the reciever itself doesn't matter but you will get a
lot more accurate information if the receiver is situated at or above the
shoulder as it has a clear view of the sky. This is recommended over having
the reciever in a purse, pocket or even clipped onto a belt as this requires
for the signals to penetrate the material resulting in signals bouncing from
your body and material. This will not eliminate the issues of multi-path and
drift but will reduce it.
To read more about GPS signal issues in regards to multi-path and drift, I
would recommend reading the GPS Accuracy documentation found in the
42docs.zip at MySendero.com. This is a very thorough document written by
Charles LaPierre and Mike May explaining the way GPS and GPS Signals work.
Thanks,
Kevin
_____
From: gps-talkusers-bounce@xxxxxxxxxxxxx
[mailto:gps-talkusers-bounce@xxxxxxxxxxxxx] On Behalf Of Scott Granados
Sent: Tuesday, April 22, 2008 3:29 PM
To: gps-talkusers@xxxxxxxxxxxxx
Subject: [gps-talkusers] gps receiver question
Does the way the receiver is oriented effect navigation?
For example, many receivers are flat, sort of match box shaped devices.
It can sit on a table top and be "right side up" or if you carry your
receiver could be anywhere. (bag, shirt pocket, glued to your head) How
critical is that? If the receiver were fitted inside a hat oriented to face
the way the user is walking how much or is it at all better than say if it
sits in the shirt pocket. Did I read correctly that the Sendero suggested
config is to have the receiver fitted in to a shoulder strap?
I'm a little curious how that works, any pointers would be appreciated.
Thanks
P.S. I get how it's important to be on the person etc but mainly how
critical is the way it's fitted to the person. (minus antenna
characteristics, I already get how a better sky view helps but what if the
receiver is in your bag 90 degrees to the right??)
Thanks
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