[CW] DDD SOS DDD from GLD
D.J.J. Ring, Jr.
n1ea at arrl.net
Fri Dec 21 20:57:15 EST 2018
I thought some would like to hear a recording of Land's End Radio/GLD
involved in a SOS sending DDD SOS DDD (SOS Relay) messages.
Finbar EI0CF (retired from Malin Head Radio/EJM) posted a DDD SOS DDD from
Lands End Radio/GLD.
Beautifully done.
I thought people would like a listen:
https://archive.org/details/MalinHeadRadioEjm-The500KhzRecordingsOfFinbarOconnorEi0cf/RegSosGLD080394Mod1.mp3
More here:
https://archive.org/details/MalinHeadRadioEjm-The500KhzRecordingsOfFinbarOconnorEi0cf
Lands End Radio/GLD appears to switch from A1A CW emission to modulated to
A2A Modulated Continuous Wave (MCW) right after SAG Gothenburg Radio,
Sweden makes an TTT (Navigation Warning) for DECCA malfunction, etc.
Notice the change in tone and how much easier it is to copy. There are
three "tones" on a MCW signal with BFO reception, lower side band, carrier
and upper side band, at least one tone usually gets through the 500 kHz
interference.
73
DR
73
DR
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