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Author Topic: Air Horn and Buzzer both poorly...  (Read 1087 times)

Offline AlanC

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Air Horn and Buzzer both poorly...
« on: July 16, 2017, 2124 UTC »
The 'Air-Horn' on 4020 is not radiating it's normal signal; there is plenty of carrier but the modulation is a weak 'prrrr-prrrr-prrrr' instead of the normal strident tone. Sounds 50Hz-ish.

Coincidentally the buzzer on 4625 is almost completely off air- it was very weak earlier and now it's almost completely gone, no carrier just a bit of sidebands. I'm struggling to believe its just bad propagation, I've never heard it that bad before and everything else seems normal.

Cheers
Alan

Offline MDK2

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Re: Air Horn and Buzzer both poorly...
« Reply #1 on: July 17, 2017, 1640 UTC »
Interesting. Where's your QTH?
Denver, CO.
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Offline sat_dxer

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Re: Air Horn and Buzzer both poorly...
« Reply #2 on: July 17, 2017, 2021 UTC »
4625kHz heard buzzing away from 2015z 17 Jul 17 on the Twente WebSDR...
« Last Edit: July 17, 2017, 2028 UTC by sat_dxer »
Most times & frequencies posted are only an approximation.
Due to adulteration of the E.N.I.G.M.A. "designators" by others and not a match in the Conet Project they are never used.
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Offline AlanC

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Re: Air Horn and Buzzer both poorly...
« Reply #3 on: July 20, 2017, 1042 UTC »
Sheffield, UK but I was listening on the Twente webSDR.
Cheers
Alan