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APRS station
KJ4HDR experimental APRS traffic logger
Saturday, June 6, 2009
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Current KJ4HDR base station
Receiver:
homemade 144.8 MHz FM donated by
fmax.it
IQ8SQH (
144 to 10.7 to 0.455;
-101db squelched to -89db)
(backup: Yaesu FT-23R donated by Giosuè B.), on 144.8 MHz FM
Modem:
MicroModem
MDMRC24B
in KISS mode
Antenna
: 1/2 wave, 36m above sea level
Beaconing:
currently disabled
Server:
running on a fanless Stylistic ST5022D motherboard, Pentium M @ 1.1GHz, 1Gb RAM, 250Gb disk, Ubuntu 12.04 LTS
Location:
JN70FR
Software:
APRS-FAP
based Perl script and Ruby server/parser/forwarder (GPL sources available
on gitlab
)
Internet:
on-demand
UMTS connection
Note:
only radio collected data packets - this is not a service like
aprs.fi
.
Resources and examples
300+ stations in a day (if the antenna is placed high enough!)
New-N Paradigm
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APRS: 2009-06-30 05:01 UTC
APRS: 2009-06-29 05:01 UTC
APRS: 2009-06-28 05:02 UTC
APRS: 2009-06-26 05:01 UTC
APRS: 2009-06-25 05:01 UTC
APRS: 2009-06-24 05:01 UTC
APRS: 2009-06-21 05:01 UTC
APRS: 2009-06-22 05:01 UTC
APRS: 2009-06-21 05:01 UTC
APRS: 2009-06-20 05:01 UTC
APRS: 2009-06-19 05:01 UTC
APRS: 2009-06-18 05:01 UTC
APRS: 2009-06-17 05:01 UTC
APRS: 2009-06-16 05:00 UTC
APRS: 2009-06-15 05:01 UTC
APRS: 2009-06-14 05:01 UTC
APRS: 2009-06-13 05:01 UTC
APRS: 2009-06-12 05:00 UTC
APRS: 2009-06-11 07:15 UTC
APRS: 2009-06-10 23:27 UTC
APRS: 2009-06-10 07:22 UTC
APRS: 2009-06-09 07:22 UTC
APRS: 2009-06-08 22:31 UTC
APRS: 2009-06-08 22:22 UTC
APRS: 2009-06-08 20:32 UTC
APRS: 2009-06-07 15:55 UTC
APRS: 2009-06-07 08:14 UTC
APRS: 2009-06-07 07:48 UTC
APRS: 2009-06-06 23:40 UTC
APRS: 2009-06-06 23:25 UTC
APRS: 2009-06-06 23:12 UTC
APRS: 2009-06-06 23:03 UTC last seen heresta...
APRS traffic - 2009-06-06 22:48 GMT+1 last s...
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