At 09:24 PM 12/19/05, you wrote:
>I have available an pile of RCA 700 series rigs, long removed from service.
>They're probably UHF, but I don't know at this point.
>Is anyone interested in acquiring any of these for a nominal fee? (read cheap)
>
>Thanks,
>Robin Midgett K4IDC
>VHF+ Glutton EM66se
If they are UHF, then anyone who wants a full duplex
420-440MHz point-to-point link will want them.
The 700 and 1000 series radios can be range-changed
to 406-440 in minutes. The parts even plug in.
Then you unbolt the transmitter PA deck subchassis (one
RF tube plus it's transistorized inverter HV supply) and
replace it with a coax jumper. Some models used instant
heat tubes (i.e. the tube heater was switched by the mic
clip switch), others used normal tubes. But the tube
amp can be removed as a complete subchassis.
After all that work you end up with a radio that will do
a nice clean 10w full duplex on a 420-440MHz link
channel all day long (continuous duty) with no pain
or strain....
Mike WA6ILQ
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