[Milsurplus] [GreenKeys] FREDERICKS (Plantronics) Model 1280 RTTY Terminal -Modem

[Jim Haynes]

It's an interesting machine, but not very useful in my opinion.  You can
choose the mark and space frequencies, but the tuning indicator doesn't 
tell you which way to go if you are off.  Apparently intended for copying
a single channel of a multi channel frequency division multiplex signal.

The 1280 has three board slots, one for the microprocessor and the other
two can be a transmitter and a receiver, or two transmitters or two 
receivers.

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 	"Ya can argue all ya wanna, but it's dif'rent than it was."
 	"No it ain't! No it ain't!  But ya gotta know the territory."
 		Meredith Willson, The Music Man