MORSE INTERFERENCE

Evening Post, Volume CXII, Issue 29, 3 August 1926, Page 9

MORSE INTERFERENCE

COMPLAINTS FROM LISTENEBS-IN (By Telegraph.) (Speciaj to "The Evening Post.") CHKISTCHUKCH, This Day. Morse interference was very marked throughout last night, and the subject was commented on by many wireless contributors. A correspondent writing to the "Star" asks, "Can nothing be done to clear up the trouble caused by interference of ships' radio with broadcasting? Last night two ships were in full blast, virtually on top of HiG, which means their wave length was down to about ,400 moires. Ono settled down at 450 metres, but oven then it was extraordinarily loud over most of the dials. I understand that in New Zealand waters ships must transmit on 500 metres. Both ships last night were very much on the New Zealand coast, and in consequenco every programme was spoilt. Adelaide -was overwhelmed, and so was Melbourne, but even Dunedin was utterly spoilt. The noise was like a couple of machineguns. All stations, both - ships and broadcasting, should* be' compelled by iaw to tune sharply on their proper wage lengths. The interference described in the foregoing telegram was strongly experienced in Wellington last night, but could be reduced to a considerable extent by careful tuning, as the signals, far from being "broad," were very sharp. They were apparently harmonics of high-powered long-wave signals transmitted by H.M.S. Dunedin, which is now in Wellington. If so the interference here must have been stronger than in Christchurch. Naval signals are not subject to any civilian regulations.