TESTS IN LONDON

Evening Post, Volume CXV, Issue 62, 15 March 1933, Page 9

TESTS IN LONDON

POLICE RADIO-TELEPHONES

During the early hours of the morning Lord Trenehard, Commissioner 'of Metropolitan Police, assisted by B.A.F. experts, and by departmental chiefs of New Scotland Yard, began important trials at Tottenham of a new radiotelephonic apparatus designed specially for police purposes, says the London "Daily Telegraph."

At the present time wireless messages for the Flying Squad tenclcrs and cars are sent out in Morse code by radio telegraphy from Scotland Yard.

This system has certain disadvantages, and Lord Treiichard decidod to x test the merits of radio-telephony as used by the B.A.F. travelling tenders. For the purpose of the demonstration a transmitting station was erected at St. Anne's Road Police Station, which will probably be one of the three new police broadcasting centres to be established in different parts of London. The first intimation that residents in the locality had of the experiments was the erection of two tall masts carrying the aerial—a work which was carried out by a squad of B.A.F. wireless experts from Farnborough. Shortly before 10 o'clock at night Flying Squad vans aud a number of police cars, all of which were equipped with wireless telephone transmitters and receivers, left Scotland Yard and were later followed by police chiefs and an official of the Press bureau. A little after midnight tenders ana cars.were dispatched in various directions Messages were constantly transmitted from St. Ajine's Boad, and distinctly heard through the telephone receivers as the cars travelled at hich speed through the -lonely roads of Potters Bar; Barnet, South Mimms Elstree, Hampstead, aud Hendon . It is understood that the demonstration, was regarded as satisfactory and that the tests would bo continued every night for some weeks. y •A t P? 1"* <>ff'<:ial said that the cost of