[Milsurplus] RT-68/GRC - the continuing saga

[Glenn Little WB4UIV]

Jim

Check inside the radio. There might be a metal tube bolted to the top of 
the chassis. Inside that tube might be the radio schematic on a piece of 
fabric. This is where the schematic was in the one that I owned in the 70's.

73
Glenn
WB4UIV


At 01:09 PM 01/30/07, Falls, Jim wrote:
>I am working thru the main (complete) schematic for the RT-68 and have 
>discovered that the last portion of the schematic on the right is missing. 
>Looks like it tore off in the distant past. Can anyone send me a copy of 
>this portion? JPG/BMP is fine as long as it's readable.
>
>Still puzzling over the unmodulated carrier reports even though I hear 
>myself on the sidetone and with my 6M HT (Mic would have to be OK because 
>of the sidetone, correct?). Reception is still bad. Can hear myself if use 
>the HT in the shack, but I don't hear anyone else. All I have are AM 
>sig-gens. Any way to use one of them besides whanging on it and creating 
>"mechanical FM"? I suspect the receiver is badly out of alignment.
>
>Thought just occurred to me: everyone else in the net is using narrow-band 
>FM rigs. Maybe this is the root of the problem? The '68 has -+25 kHz 
>deviation. My HT runs at 2.5 (5 max). Maybe try a shack to shack QSO w/my 
>colleague who has the same gear? I did the initial RX/TX tests in his 
>shack and the '68 looked A-OK.
>
>Jim Falls
>KG6FWT
>Eureka, CA
>
>
>
>
>
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