[Milsurplus] Chinese 102/139 set

Robert Nickels ranickel at comcast.net
Wed Oct 3 15:33:28 EDT 2018


On 10/3/2018 1:42 PM, Peter Gottlieb wrote:
> Is this a currently used set?  I see lots of Russian and Chinese military sets but they all seem quite old. Or is that what they use?

It's 1960s (early) or late 50's vintage vacuum-tube gear, Peter, roughly 
their equivalent to the AN/GRC-9.  It's said to have been used by the 
Chinese army as well as North Viet Nam during the conflict there, but 
the sets that have been offered via Red Star Radio on eBay are all new, 
sealed in original containers.   The one I have had been unpacked and 
was missing some of the accessories including the hand-crank generator.

Frequency range for the receiver is 2-12 MHz, transmitter 2-10 MHz, with 
output power of 10-13 watts CW and 3.2 watts AM.    The interesting 
feature is that the transmitter and receiver were designed to work 
together in a common housing with an interconnect cable that allowed for 
metering, muting, etc. but the radios that have been sold surplus are 
separate 102 transmitters and 139 receivers in their own sealed cabinets 
which do not provide access for the interconnect cable.   The receiver 
has it's own battery box so the intention was evidently for use with 
separate antennas and power supplies.     It looks like a fun set to 
play with on low-power AM and CW.

73, Bob W9RAN



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