[Boatanchors] Hammarlund HC-10 schematic

[rrkrr]

Dave,
I believe the HQ-170 receiver has IF circuitry identical to that of the 
HC-10, including the tunable notch filter.  Ironically, the going rate 
for an HQ-170 at auction is considerably cheaper than an HC-10.

Bob K4ERR

Dave Maples wrote:
> All: I have come into a Hammarlund HC-10 SSB converter.  Someone has
> modified the front-end circuitry to remove the tunable notch filter.  My
> schematic from BAMA doesn't show all the components used in this one, nor
> does it reflect the same values.  Anyone have any information or have good
> pictures of the notch section above the chassis and the input section below
> that I can use to reassemble this one?
>
> Thanks,
> Dave WB4FUR
>
>
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