[CQ-Contest] RE: Keyer Help pse... De VY1JA

[Mike Gilmer, N2MG]

Definitely sounds like the WB4VVF  AccuKeyer, and AccuMemory from QST ca.
1975/76

I can probably dig up schematics - *probably*

Mike N2MG

----- Original Message -----
From: "J. Allen" <jallen at internorth.com>
To: <cq-contest at contesting.com>
Sent: Friday, November 29, 2002 2:52 PM
Subject: [CQ-Contest] RE: Keyer Help pse... De VY1JA


> Further to my request for information to complete and operate the memory
> keyer kit,
> I was asked to post what chips are used on the 2-5/8 x 4-1/2 inch boards.
> Here is the list:
> Please remember that I have a hard time seeing such small print these
> days... :o)
>
> Board 1
> 7474, 3
> 7400, 3
> 7410, 1
> NE-555, 1  Old friend, timer.
>
> Board 2
> 7493, 3
> 7402, 1
> 7473, 1
> 2102a, 3  look like memory chips
> 21022a, 1
>
> There are a set of 10 wires that connect from board to board, labeled "A"
> through "J".
>
> These cards are professionally etched and bear the identification, "GCH",
> but the keyer is a kit.  Some wires are dangling and it is obviously not
> completed, but does not look like it will take a lot to make operational.
>
> Anyone recognize this old one?   Better yet, anyone have information for
me
> to finish it?
>
> Please answer directly to jallen at internorth.com
>
> Thanks,
>
> J.,
> VY1JA
>
>
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