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10/11 meters / 27255 kHz 27.255 MHz FSK Data Link ΣSDR COMMSIGMA SDR KiwiSDR 1720 UTC 14 Dec 18
« on: December 14, 2018, 1726 UTC »
27255 kHz 27.255 MHz, 25 watts average or carrier power maximum TX under Part 95 of FCC rules. There's a FSK data link signal readable on the ΣSDR KiwiSDR. Not sure if this is the same network heard on the New York SDRs but it exhibits the same characteristics, with around 8 kHz of bandwidth.
Listenable in FM or NFM mode but I generally tune into it in USB mode. Some minor AM CB voice traffic QRM but when the frequency is clear you can see/hear the FSK signals buzzing away, albeit much weaker than other data networks on 27.255 MHz that I've heard.
Listenable in FM or NFM mode but I generally tune into it in USB mode. Some minor AM CB voice traffic QRM but when the frequency is clear you can see/hear the FSK signals buzzing away, albeit much weaker than other data networks on 27.255 MHz that I've heard.