[TMC] GPT-750 origin

J.F. Samuels - K2CIB radiowhiz at gmail.com
Tue Apr 28 01:32:54 EDT 2026


The 750's that I worked on in final test were the USB/LSB/ISB/CW ones in 
1958-1959.  We used the serial number on the test sheet, but I don't 
know if they were ever matched with shipments.

*

*/73, John, K2CIB/*



*
On 4/27/2026 2:56 PM, Castellano, Michael (USACT) via TMC wrote:
> Been running my 750 almost daily (80cw) for the past 45 years  (not a typo) with NEVER a breakdown.
>
> I'd like to know a bit more about it's origin. Is there a lookup by serial number somewhere?
> It would be great to know the original user.  TNX & 73 from KM1R ex WA1CUN, K1FTH
>
> Michael John Castellano KM1R
>
>
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