Peter Martinez, G3PLX, made me aware that the
fourth transmitter in the Russian Alpha Navigation system is currently on
air. Indeed dashes from Revda are visible on a colour-df
spectrogram in purple colour:
df6nm.bplaced.net/VLF/Alpha/Alpha-four-stations_insert-g3plx.jpg.
Revda is also active on it's dedicated
extra frequency 12.090773 kHz (F4 = 15625 / 21 * 16.25 Hz), mentioned
on
Best 73,
Markus (DF6NM)
Sent: Wednesday, October 22, 2014 12:25 PM
Subject: Alpha Revda transmitter
Markus:
I
notice today that the Russian Alpha (RSDN20) transmitter at Revda is on the air.
I thought it had closed down.
I mention it in case you can pass it on to
others interested.
Screenshot attached.
73 Peter
G3PLX
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