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[aprssig] temporary APRS setup

Mark Conner mconner1 at gmail.com
Mon Nov 2 21:59:19 UTC 2009


 Hi Steven,

Do you plan to chase the payload to the landing?  Once your payload is off
the ground, line-of-sight propagation will be excellent.  We've used a VX-1R
in the past with no trouble receiving data for 100 mi or more, as long as it
was line of sight.  This was with a whip antenna on the payload (minimal
ground plane) and mag-mounts on the chase vehicle.

Any I-gate that is line-of-sight will pick it up too.

73 de Mark N9XTN
www.nstar.org




>
> Message: 1
> Date: Sun, 1 Nov 2009 05:54:37 -0800 (PST)
> From: Steven Brower <stevenbrower at verizon.net>
> Subject: [aprssig] temporary APRS setup
> To: aprssig at tapr.org
> Message-ID: <358234.7562.qm at web84305.mail.re1.yahoo.com>
> Content-Type: text/plain; charset=us-ascii
>
> Thanks, Mark
> That's true about the power on that thing- I put it in my freezer for an
> hour and the power did go down a bit but less than a volt. I will have to
> retest with all the new electronics I've subsequently come up with for the
> payload.  It's so tiny though.  I guess an Alinco is the more typical
> choice, even though its heavier.  I found a digipeater 100 miles away from
> my launch site and I am thinking that's too far to depend on for the
> returning payload.  Do you have suggestions about a temporary digi/igate to
> supplement that distant station?  How much coverage would one need at a
> minimum?  Again, this is out in Montana, north of Livingston.
> Steven Brower
> KC2SQU
>
>
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