[Milsurplus] Navy RBC - Any Experts?

[Kenneth G. Gordon]

On 27 Sep 2017 at 7:44, David Stinson wrote:

> 
>     Anyone here have some tips on reviving a Navy RBC receiver?
>     Band One works fine.  The other bands are deaf but will receive
>     if I bypass the ANT box, so it´s a good bet the last fellow golden-
>     screwdrivered the bandswitch alignment in that box.
>     Will the bandswitchs in the boxes rotate 360 degrees?

I don't know, not having gotten to my RBCs yet.

>     https://photos.app.goo.gl/VW2ywaYToTkPwGpG3

Nice photo, David

>     But the biggest problem right now is Band Two.
>     The local oscillator simply will not track.  The closest
>     I can get is with the coil all the way out and the varicap
>     all the way to one end of travel, and that leaves the high
>     end off almost a meg.

That sounds to me as though the HFO is on the wrong side of the input frequency. 

Possibly above instead of below, or vice-versa. THAT is the FIRST thing **I** would check 
in a similar circumstance before I dug into components.

I wish I had at least one RBB. I have two RBCs and two RBAs. No power supply for either, 
though.

Ken W7EKB

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