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Recording Details (LW band with shutdown of the LW transmitter Topolna in CZE at 23:00 UTC)

Overview Cohiradia
Recording Date 2021-12-31 23:30:00+01:00
Duration 1800 Seconds
Recording Location Graz, Austria (AT) (15° 26′ 17″ O / 47° 4′ 16″ N)
Band LW
Frequency Range 153.0 kHz - 279.0 kHz
Bandwidth 250.0 kHz
Recording Device SDR, 14 bit, Red Pitaya Stemlab125-14, COHIRADIA-RFCorder
Antenna wire antenna 20m vs earth gnd
Band Middle Frequency 180.0 kHz
Encoding ci16
Filter Chebyshev bandpass 3th order, 135 – 315 kHz
Pre-Amplifier Settings 3 x AD811, overall gain ca 45dB
Notes Shutdown of the LW transmitter Topolna in CZE at 24:00 (CZE), 23:00 UTC; BBC at 198kHz poor due to interference at the receiver site
Recorded by Hermann Scharfetter
License Open Data Commons Open Database License (ODbL)
Download Link Download (RFCorder, SDRUno, SDR#)


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