Monday, January 11, 2010

WebSDR Hits, Mostly Utility: #1

In honor of the WebSDR going back to 7 bands.

All frequencies kHz, all dates US style, all times UTC.

44.2 RTTY? 50?/85 06/05/09 2021
46.0 Mode? Like 68.6 06/05/09 2017
54.0 Mode? Slow multi-tone 06/05/09 2016
57.5 Mode? Like 81.0 06/05/09 2015

60.0 CW MSF, Anthorn, UK, time signals and codes. Successful time/date decode at 1845. 05/30/09 1826

62.6 Mode? Like 68.6 06/05/09 2000 2014

66.6 MCW RBU, Moscow, Russia, standard time/frequency beeps 05/31/09 2212

68.0 Mode? 150-Hz shift stream 06/05/09 2000
68.6 Mode? Multi-tone stream 06/05/09 2000

75.0 CW HBG, Geneva, Switzerland, standard time/frequency beeps. UPDATE: Decoded successfully on 01/13/10 using Clock program that comes with Multipsk.

77.5 AM/PM DCF77, Mainflingen, Germany, time signals and codes. UPDATE: Decoded successfully on 01/13/10 using Clock.

81.0 MSK? Unknown continuous stream, like DGPS. 05/31/09 2156

100.00 Pulse Unk Loran-C, sdr loose timing doesn't permit ID by GRI. 05/30/09 1850

129.1 DCF49-European power grid "ripple control," Mainflingen, Germany, ASCII (7E1?) 200 baud. Idle on 1 tone w/data bursts. FSK, shift 340 Hz. 05/30/09 1930
Station : EFR Berlin
Callsign : DCF49
Transmission site: LW-facility Mainflingen
Radiated Power : 60 kW
Frequencies : 129.1 and 139.0 kHz
Transmission mode: 200 bps ASCII
Modulation : FSK
Control protocol : DIN 19244
Message format : FT 1.2
Service : Long wave Teleswitching

[Basically, a couple of user datagram protocols are used. Subscribers connect to computers, messages queue and automatically go out, for purpose of load management, control of attached devices, etc etc.]

133.2 FSK 85-Hz shift, marker pip in middle, regular cyclic sound, Datatrak vehicle location 06/19/09 2152

135.6 HGA22-European power grid control, Lahihegy, Hungary, ASCII. Idle on one tone w/FSK data bursts. Same purpose as 129.1 and 138.8. Not synced to others. 05/30/09 1930

138.8 DCF39-European power grid control, Burg, Germany, 300-baud ASCII. Idle on 1 tone, FSK data bursts. Same purpose as 129.1 and 135.6. Not synced to others. Possible FSK. 05/30/09 1930

146.5 FSK-Identical to 133.2 06/19/09 2208

-end part 1-