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[aprssig] APRS in caves 2-3 Mar (3rd call)

Robert Bruninga bruninga at usna.edu
Sun Dec 30 03:01:03 UTC 2012


Do you wanna do Cave Radio with your D700/D710?

We have not found enough D72 owners for the Mammoth Cave Radio test,
so I just realized that a D700/710 with a 7 AH battery in a nice
portable digi package is also welcome to participate.  Would be nice
to also have a D7 or VX8R too for monitoring.

If you have already contacted me, you are on the list.  But if you
know how to set up your D700/710 as a digi, this might bring in some
more digis.  Bob, WB4APR

> Re: APRS in caves (2nd call for D72 owners)
> Wed Dec 5, 2012 4:42 pm (PST) .
> Mammoth cave test on 2-3 March 2013.
>
> The Park Service will support us if we can get together enough people with
> radios to see how far we can communicate using HOP7-7,HOP7-7 paths
> underground. The 2-3 Mar weekend coincides with the Cave City Hamfest
> just 5 miles away. Let me know if you can make one or both days.
> We wont be crawling. Just walking a few miles underground.
>
> See background on http://aprs.org/cave-link.html
>
> Let me know if I can count on you. Mostly D72's are needed for their
> digipeating function. Though some with D7's or VX8R's could provide some
> support as well as D700 or 710s with a decent battery..
>
> Bob, Wb4APR
>
> -----Original Message-----
> From: Robert Bruninga [mailto:bruninga at usna.edu]
> Sent: Friday, November 16, 2012 2:35 PM
>
> APRS test in Mammoth Cave:
>
> I got a reply back from the Ranger at Mammoth Cave and he would be happy
> to support an APRS communication experiment in the cave. They have over
> 400 miles of cave, but only about 1000 feet of WIFI.
>
> I'd be happy to put together a proposal if we thought we could get 8 to 15
> people to converge on Mammoth Cave Kentucky some weekend with their
> TH-D72s... Lemme see if there are any nearby BIG hamfests during the
> year. (Nashville or Louisville).
>
> So lets see if we have some volunteers first and then form a plan.
>
> I wonder if Lynn can search for D72's within 150 miles of Mammoth on the
> APRS-IS?
> (though most are off when not in use)...
>
> Bob



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