[TMC] Sideband Exciters

Chris Bolkan bolkyboats at gmail.com
Fri Aug 27 13:29:58 EDT 2021


Hi TMC lovers!

I have been looking at a few TMC transmitters on the history site and
am confused about something. It seems that most of the systems have a
master oscillator (0-330 or something like that) in addition to the
SBE exciter (SBE-3 or 3 or whatever)
I am hoping to assemble a complete working transmitter at some point
if it ever becomes possible to obtain the components, but at this time
I know precious little about what is actually required to assemble a
working transmitter. I thought based on reading and images of the
controls on the SBE's that they contain the required oscillators and
are self contained. My question is do they? Or is the 0-330 master
oscillator required in addition to the SBE to have a fully functioning
exciter, or is the "master" oscillator an "extra" that allows
synchronization of multiple transmitters and receivers and so forth? I
apologise if this is an ignorant question. I suppose I could
eventually figure it out if I read enough on the history site, but
it's not always easy to figure everything out looking at just manuals
without an understanding of the original deployment and (intended use)
for these devices.

Thanks in advance!

Best regards,
Chris
KI7NXY


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