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HA-1 T.O. Keyer

 

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I have had several contacts for help with problems in the HA-1 T.O. KEYER in the past couple months. So, I wrote a test & repair guide for the HA-1. It is on my website, no cost download @

73

Walt Cates, WD0GOF
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A majority of acceptance is not proof of correctness.


 

Good stuff Walt - as usual. Thanks for doing this!

Tom
W3TA

On Friday, May 2, 2025 at 11:32:18 AM EDT, waltcates via groups.io <cateswa@...> wrote:


I have had several contacts for help with problems in the HA-1 T.O. KEYER in the past couple months. So, I wrote a test & repair guide for the HA-1. It is on my website, no cost download @

73

Walt Cates, WD0GOF
?
A majority of acceptance is not proof of correctness.


 

Very good, Walt.? Glad to see you point out the problem with the tube socket grounds.? Years ago my HA-1 became erratic - code elements missing or the wrong length.? It took me many days before I discovered a faulty ground at a tube socket - it looked perfect but must have had a high resistance.??
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73, Floyd - K8AC
 

Much needed. Thanks very much!

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