06-05-2020, 10:46 AM
(06-05-2020, 10:37 AM)ppppenguin Wrote: I think that Scophony also pointed out irregularities in the BBC's transmitted sync timings. They were OK for a direct locked electronic timebase but had fluctuations that upset a mechanical scanner.
I have one of those unsure memories of lost provenance that tells me that the BBC were alerted to this and put it right around 1938. Can't be certain though.
I shall forever regret selling my (AP) 'Black Book'.
Steve







