SHORT-WAVE RECEPTION

Radio Record, Volume I, Issue 34, 9 March 1928, Page 5

SHORT-WAVE RECEPTION

There seems to be a general tendency to regard the use of an _ oscillating receiver on the ultra-short waves as quite permissible, and, indeed, many amateuts whose wireless conduct is irre+ proachable so far as the normal wavebands are concerned have no hesitation in operating their short-wave sets im this condition. It is admittedly difficult to avoid occasional heterodyning of an incoming carrier wave, but, after having calibrated the receiver, there is no real need to interfere with the reception of other listeners on the wavelengths of the more popular stations. If they are coming through at sufficient strength to be really worth while receiving, their signals may be found without operating the reaction control at its limit. The conscientious amateur should not rest satisfied until his control of regeneration is really smooth; if it is not, it will always be a difficult matter to avoid causing interference, and, moreover, the receiver can never give really satisfactory results.