KJ4HDR experimental APRS traffic logger
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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
(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
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.