News and Views

Radio Record, Volume III, Issue 50, 27 June 1930, Page 12

News and Views

NEW development of interest to every radio enthusiast is the perfection of an A.C.-operated valve that is entirely free ‘from hum. It is ‘"yumoured that these will be available shortly. *- . ISTHENDERS in Doncaster, England, are complaining of a new form of interference to broadcast reception, eaused by automatic traffic signals. The regularity of the ‘‘clicks" is said to intensify the irritation. This type of interference is not unknown in New ZeaJand. * « WH Radio Commission which has been investigating broadcasting conditions in Canada recommends. that the cost of an annual radio license be increased from 1 dollar to 4 dollars, te be collected by the dealer who sold the set. z s * ‘A NEW departure in the policy of the Ontario Government has been the installing of a microphone in the Legislative Chambers of the Parliament Buildings at Toronto, It is intended to broadcast the majority of speeches made during the Parliamentary sesaions. ; ¢ . s MICROPHONES connected to special amplifiers are being used by the American Coastal Survey Department as a means of taking soundings at seu. Curiously enough, it has been found that the greatest drawback to this method is the fact that the noise made by oysters when opening and closing their shells seriously interferes with the reception of pre-arranged submarine signals! Any decrease of sensitivity in the instruments used would, however, impair the usefulness of the apparatus.