June 28th, 2017

Sounds like a geiger counter doesn't it? This is what sounds like a malfunctioning numbers station recorded simultaneously with two Websdr online receivers. On the left side is the WebSDR at the University of Twente, Enschede, NL, located at the Maidenhead gridsquare JO32KF,
on the right side you hear the recording from the WebSDR, in Russia, Cherepovets City, grid KO89XC.
At 02:25 a Morse transmission begins, before and all during that, what I assume is a dirty keyer contact causes the transmitter to chatter away.
Transmission begins as follows: vvvvv 8-dit character that I know from amateur radio as an "oopse" character. then VG2G (long paus) "oopse character" vg2g de ksfi K (which means go ahead)
QTC (which means I have x number of telegrams for you, or: how many telegrams have you for me?) K
(long pause)
59134 27tt15 591(Double Dash ) zcf t83(double dash) 688t3 893t4 85415 62946 46668 (5-number groups continue like that until 07:00, then we hear 161 k
(T in a group of numbers like that is usually short-hand for 0.)
(long pause, then at 07:34) qtc k

(At 07:48) KSFI 881 24 27tt2t 881(double dash) zom t82 (double dash) (Then
we hear 5-number groups until I stop recording.
BTW I was able to synch the transmissions within milliseconds by ear, but different digital recording rates from the 2 stations means they drifted out of true by the end of the recording, by the end you really notice it.


  • avatar
    stabiloMind 1 year, 2 months ago

    Good sound, thank you!

  • avatar
    kidhead 1 year, 6 months ago

    Beautiful. So many different elements to work with. Thank you.

  • avatar
    sem_hop 2 years ago

    using private dia presentation


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