UNANSWERABLE
A correspondent asks how Ion" it Will be, at the present rato of progross, before tho loud hum in the carrier of 2YA is reduced to the extent it should be—practically to silence.— 1 don't know.
The Auckland weekly "Eadio" has produced a booklet giving full details lor the construction of an "all-wavo" receiver, designed for operation on all wave-longths, from 30 to 3000 metres by means of a scries of plug-in coils attached to special mounts. The receiver is a three-valvo instrument using a regenerative detector and two stages of audio-frequency amplification, and offers 210 difficulties that need deter a constructor of average skill. It is rather n pity that the set does not include a neutralised stage of radio-fre-quency amplification to remove it from the class of interference creators, but one cannot havo everything.
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https://paperspast.natlib.govt.nz/newspapers/EP19270728.2.125.6
Bibliographic details
Evening Post, Volume CIV, Issue 24, 28 July 1927, Page 18
Word Count
137UNANSWERABLE Evening Post, Volume CIV, Issue 24, 28 July 1927, Page 18
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