I lost the documentation years ago. The next best thing is the SSB detector
for boatanchors that I have up on my website. It is based on an NE602.

Pete

"Mike Knudsen" wrote in message
...
In article ,
"Pete
KE9OA" writes:

That mod should apply to all of the 51J series receivers. I
know
for sure that it is on the J3 and J4, and on the R-388 version of the J3.

Thanks Pete, I'll look for the mod -- any pointers?
73, Mike K.

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