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Radio Record, Volume II, Issue 6, 24 August 1928, Page 15

Not infrequently beginners question the meaning of the numbers on their tuning dials. In most cases these numbers are merely put there to afford an opportunity of recording thc positions on the dials which mark thi places to find distant stations once they have been located. On many of th: latest sets a second row of figures i: marked on the tuning dials indicatin: wavelengths in kilocycles. ‘These fig ures furnish an aid in finding a dix tant station when its wavelength i: known. whe damenin ees