[time-nuts] Slightly OT - GPS-Based Accurate Direction Finding
stanley_reynolds at yahoo.com
Thu Aug 26 03:21:18 UTC 2010
Not cheap but VOR was used when I was flying.
----- Original Message ----
From: Bob Camp <lists at rtty.us>
To: Discussion of precise time and frequency measurement <time-nuts at febo.com>
Sent: Wed, August 25, 2010 9:25:31 PM
Subject: Re: [time-nuts] Slightly OT - GPS-Based Accurate Direction Finding
GPS is not very helpful for direction. It can be used as an accurate source of
time and location to feed a solar or celestial direction estimate.
On Aug 25, 2010, at 9:04 PM, David Smith <david at smithfamily.net.au> wrote:
> As a fair percentage of the discussion amongst the learned gentlemen on this
>group involves GPS-based timing systems, I'd like to ask a non-time related, but
> As part of microwave radio experimentation, often on windy hilltops, I have a
>need to find direction very accurately. I have seen advertised GPS-based
>Azimuth Pointing Systems such as this:
> However they are a little (lot) out of my budget range.
> The system seems to work by taking the raw satellite phase information from two
>separate GPS systems and crunching the data to come up with an azimuth figure.
>Has anyone heard of a (Open Source?) program that could be used to do these
> David Smith
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