In article , "Jimmy"
writes:

Measured hv secondary at 530-0-530, 2- 6.3 windings and a 5 volt winding.
120vac on the primary. There goes my bias supply theory

A little low for an RF power amp, too high for an rx. Maybe a high-powered
audio amp or modulator?
--Mike K.

Oscar loves trash, but hates Spam! Delete him to reply to me.