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[aprssig] APRS in caves!

Robert Bruninga bruninga at usna.edu
Fri Nov 16 19:34:37 UTC 2012


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

-----Original Message-----
From: Robert Bruninga [mailto:bruninga at usna.edu]
Sent: Monday, November 05, 2012 1:26 PM
To: Robert Bruninga; SAR_APRS at yahoogroups.com
Cc: TAPR APRS Mailing List; aprs at yahoogroups.com
Subject: RE: Need Digi in Kentucky at Mamouth Cave (and APRS in caves!)

> We need an APRS digi at the Mammoth Cave National Park.
> Here is the list of National Parks and APRS coverage:
> http://aprs.org/aprs-parks.html
>
> With the new Kenwood TH-D72 which can digipeat, it would
> be fun to have a few underground at the same time.

Along those lines, and since now we can extend our radio TEXTING range
inside caves by using multiple hops between TH-D72 digipeating HT's, I
have
updated my 1997 APRS Cave Radio web page:
http://aprs.org/cave-link.html

And am floating the idea of maybe having an APRS Communication conference
there...  so we can get enough D72 radios (at least 7) to be able to test
the concept.

Bob, Wb4APR



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