The International Amateur Radio Association of China has recently entered upon a period of unusual activity, and is providing each week vill of fare for the number of wireless ts in the Shanghai district, meeting of the Ass tion held on Friday last weel at Hongkew Fire Station was largely attended, the chief feature being a lecture by Mr. J, H, Lansdell on iveevalve Experimental Receiver.
The lecture, with its accompany ing display of apparatus, proved of great interest to the members, and gave rise subsequently to a general discussion and retailing of individual experiences. The efficacy of high. frequency amplification, the suitability of various types of valve, and the relative efficiency of the transformer and tuned anode systems, were the chief topies of debate, It was plain that local amateurs' are not resting content the very snisfactory results of the broadcast: ing from the local station; there is a general desire to "get distance," and the fact that Osaka and Manila radio programmes are "in the air" nightly has given impetus to, the efforts at long-distance reception,'?
Text read from the printed page and cleaned; old type leaves the occasional error.