Disconnected PTT line from KPA500, still 15 db attenuation on RX.
-----Original Message----- From: Dick Dievendorff <die...@comcast.net> To: mcduffie <mcduf...@garymcduffie.com>; 'John K3TN' <jpescat...@aol.com> Cc: 'elecraft' <elecraft@mailman.qth.net> Sent: Sun, Feb 10, 2013 5:58 am Subject: RE: [Elecraft] KPA500 - Rx Attenuation Make sure that the amp's PTT line is not pulled low when you expect to be receiving. 73 de Dick, K6KR -----Original Message----- From: elecraft-boun...@mailman.qth.net [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of AG0N-3055 Sent: Saturday, February 09, 2013 8:24 PM To: John K3TN Cc: elecraft Subject: Re: [Elecraft] KPA500 - Rx Attenuation On Sat, 9 Feb 2013 19:51:09 -0800 (PST), John K3TN wrote: > I thought 40M signals sounded kinda low, and the noise floor on the P3 > was down - but then noticed when I turned the KP!500 from OPER to > STBY, signals came about 15db. No fault indicated. TX power seems fine. Any thoughts? I'm currently investigating a similar problem. To speak to your issue, I have not seen it at all. However, there is something similar happening on the frequencies below 160M. Gary -- Web: http://ag0n.net NodeOp Page: http://ag0n.net/irlp Node 3055: http://ag0n.net/irlp/3055 ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html