Signal Shifter - help, please.

Kenneth D. Grimm grimm at LYNCHBURG.NET
Sun Nov 28 23:37:07 EST 1999

N5AIT Allan Stephens wrote:
> Gang:
>      Following an excellent family Thanksgiving (number a bit down:
> only 23 this year) I headed over to Evansville, IN, for the Saturday
> hamfest.  Beautiful day, but not much "stuff."  I had mainly parts
> and pieces (and sold a few), plus a Signal Shifter which received
> a couple of curious looks but little else.  There was a beautiful
> S-40A there (asking $100, did not sell) and a few surplus pieces
> of test equipment - a few transceivers (TR-3's and TR-4's, a
> couple of Swans) and that was pretty much all of the older stuff.
> Bunch of computer pieces, of course -- now seeing computers go where
> the BA's first went when the solid state stuff was coming out...
>      Anyway, I brought the Signal Shifter home, and on the way
> decided to lay the healing hands upon it.  Problem: "manual"
> and schematic I have are for the most recent one, the one with
> the turret-tuner band changing thingy <--(technical term).  So
> if anyone can help me with info on the second variant of the
> Signal Shifter (the one with the dial left blank for the owner
> to mark the frequencies on; plug-in coils).  I have a set of
> three coils installed and do not know for what frequency range
> they are (any help on this?)
>      And hope y'all have much to be thankful for.  I sure do!
>      73,  Al  N5AIT
>   modsteph at

Hello Al,

Sorry can't help with the coils, but am happy to report that the older
version Signal Shifter manual is available for downloading from

73 and good luck with the Signal Shifter,
Ken K4XL
grimm at
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