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Updated: September 18, 2025
For anyone who may be interested very comprehensive reports of the work done in transequatorial propagation during cycle 21 and earlier appeared in articles written by Ray Cracknell ZE2JV/G2AHU and Roland Whiting 5B4WR/G3UYO in the June/July/August 1980 issues of Radio Communuication, the journal of the R.S.G.B. and in the November/December 1980 issues of QST. Stations MHz Date GMT Km
The first two licensed amateurs to make contact on 2 metres in Greece were Dr Spyros Tsaltas SV1AT and George Delikaris SV1AM. They had put together the famous Heathkit 'TWOER'. Crystals were plentiful on the surplus market, but it was not easy to find two of the same frequency. SV1AT transmitted on 144.720 and SV1AM on 145.135 MHz.
YV5ZZ/6 LU1DAU 145.9 29/10/77 02.00 5,000~ World record distance on 144 MHz. First Western hemisphere contact. JH6TEW VK8WJ 144.1 10/02/78 11.50 5,060~ First Pacific area contact. KP4EOR LU5DJZ 145.1 12/02/78 00.12 6,340 New world distance record on 144 MHz. YV5ZZ LU3AAT 432.1 13/02/78 01.10 5,100 First reception of 432 MHz signals in Western hemisphere.
The calling frequency for Moonbounce is 144.011 MHz., and the duration of the call is 2 minutes, but for the first minute and a half you call CQ DE SV1OE and during the last half minute you also give the call of the station you are trying to contact, for instance G3FNJ DE SV1OE. You must on no account transmit for more than two minutes because at the beginning of the third minute the other station will begin transmitting the same pattern of signals.
Radio amateurs, who were among the services that suffered from the interference, soon came to call this noise "the woodpecker". By rotating their beams when tuned to the 14 MHz band they established that the transmissions appeared to originate from the vicinity of the town of Gomel in the U.S.S.R.
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