Re: [Elecraft] KPA-500 Switch from STBY to OPER

2020-02-10 Thread Don Wilhelm
Bill, No relays in the T/R switching path for the KPA500 - all solid state switching. 73, Don W3FPR On 2/10/2020 6:39 PM, Bill Weaver wrote: If there is a relay in the rx signal path, check the contacts. I had that happen with my Alpha recently. Of all the possibilities that was the

Re: [Elecraft] KPA-500 Switch from STBY to OPER

2020-02-10 Thread Bill Weaver
If there is a relay in the rx signal path, check the contacts. I had that happen with my Alpha recently. Of all the possibilities that was the easiest thing to fix. Thankfully that was the problem :-). 73, Bill WE5P ⁣Get BlueMail for Android ​ On Feb 10, 2020, 17:52, at 17:52,

Re: [Elecraft] KPA-500 Switch from STBY to OPER

2020-02-10 Thread Bob McGraw K4TAX
Sounds as though the TR switching has failed. Contact Elecraft support. Bob, K4TAX Sent from my iPhone > On Feb 10, 2020, at 5:05 PM, afpac...@gmail.com wrote: > > I am looking for thoughts and suggestions to diagnosis what I am seeing. > When the amp is changed from STBY to OPER the

[Elecraft] KPA-500 Switch from STBY to OPER

2020-02-10 Thread afpacker
I am looking for thoughts and suggestions to diagnosis what I am seeing. When the amp is changed from STBY to OPER the receive signal drops by multiple db and the general background seems to increase significantly. The tuner seems to work the same with or without the amp. When I transmit it