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[aprssig] KC0YA-11 and AE0SS-11 Balloons Aloft

Tom Hayward esarfl at gmail.com
Sat Mar 12 19:36:38 UTC 2011


On Sat, Mar 12, 2011 at 09:46, Keith VE7GDH <ve7gdh at rac.ca> wrote:
> Stephen WA8LMF wrote...
>
>> Two simultaneous balloon launches by EOSS about 45 miles north of
>> Denver, CO are now aloft. Both are experiencing a really severe case
>> of the KPC3+ KISS  delayed packet syndrome from an IGate somewhere
>> in the north-eastern Colorado area... <http://wa8lmf.net/LiveTrack>
>
> Perhaps the APRS frequency isn't overly busy in CO, but I see that at
> least one of tem is beaconing full NMEA sentences with a WIDE2-2 path
> (at least they weren't using WIDE1-1)...

Their website says they use 144.340 MHz for APRS and ask a few local
igate operators to change frequencies to support the flight and
recovery. I got the impression they put a portable digipeater in the
expected recovery area, but I may have read that wrong.

http://www.eoss.org/flight/index.html

While they're probably not bothering anyone on 144.340, I still don't
agree with beaconing full NMEA sentences. Base91 compressed packets
seem like a better alternative for high-accuracy beacons.

Tom KD7LXL



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