WIRELESS TELEPHONY
, $___ —. After the signing of the armistice the British authorities established .1 postal aeroplane service to Cologne, and in connection with this service- systematic uso was marc of wireless telephony. . Wireless tclephonestntions. were placed on the ground at distances of fifty miles; from each other, and with the iise of.quite small sets were' able to transmit messages to aircraft up to thirty miles away. They could also receive from the air to about fifty miles. Frequently these distances were exceeded, nnd an aeroplane was in communication nt one and the mine lime, with three stations. Considering the small sizo of. the apparatus employed, Ihese. were remarkable resulls. and testify to ">c rapid progress made by the British' air service since Iho first trials of wireless telephony !o 'aeroplanes in 1915.-
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Dominion, Volume 13, Issue 191, 8 May 1920, Page 7
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131WIRELESS TELEPHONY Dominion, Volume 13, Issue 191, 8 May 1920, Page 7
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