[GreenKeys] Hal PCB's for ST-5A & Xformer & Parts

[k0bx at arrl.net]

I know the 88 MH Torrids are hard to find, but what
about the 709 op Amp IC's that are used in the
ST-5/ST-6??

The newer TU's used the 741 OpAmp.

I'm afraid when I go to startup the old ST-6 that it
won't work anymore!

Joe K0BX


--- ws7i <ws7i at ewarg.org> wrote:

> I have been emailing with a guy who has the
> following.  Anyone interested drop me a note.
> 
> FYI, there is also a bit of traffic in the RTTY
> reflector on a couple of guys who still have 88 Mh
> Torroids. I have finally exhausted the supply that I
> got some number of years ago from Bill Henry of Hal
> Communications and I have been sending those out for
> postage for a while.  If you are looking for 88 Mh
> check the archives of the RTTY list.  (at
> www.contesting.com).
> 
> 73 Jay WS7I
> 
> >Yes, please forward for posting.....  The PCB's and
> >transformer are free for UPS costs.....
> 
> >I got rid of my Model 28 years ago....   I never
> thought I >would.....
> 
> >I have a brand new set of HAL PCB's (2) for the
> ST-5A, plus a >HAL customer transformer that I would
> love to give to
> >someone who would use the stuff for postage
> only....  I hate to throw it away....
> 
>  
> 
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