[Elecraft] KPA1500 and noise

[Peter Hall]

I don't recall the details but have you read the posts by the Elecraft guys some weeks ago related to excess noise and loose grounding nuts (on or near the SO239 connectors if I recall correctly)?

My KPA1500 creates a tiny amount of additional noise on 6 m when switched to "operate" but nothing discernible elsewhere.

73, Peter.

-----Original Message-----
From: elecraft-bounces at mailman.qth.net <elecraft-bounces at mailman.qth.net> On Behalf Of w5sum at comcast.net
Sent: Saturday, 9 May 2020 8:41 AM
To: rocketnj at gmail.com; Elecraft at mailman.qth.net
Subject: Re: [Elecraft] KPA1500 and noise

only one antenna hooked to it, and that’s a sommer XP808 log fed yagi.  No switches.!

Ronnie W5SUM

-----Original Message-----
From: rocketnj at gmail.com
Sent: Friday, May 08, 2020 7:35 PM
To: w5sum at comcast.net ; Elecraft at mailman.qth.net
Subject: RE: [Elecraft] KPA1500 and noise

Need more details on what your antenna system is and especially what is connected to antenna 1 and 2 on the amp.
Any antenna switches, etc.

Dave wo2x



-----Original Message-----
From: elecraft-bounces at mailman.qth.net <elecraft-bounces at mailman.qth.net> On Behalf Of w5sum at comcast.net
Sent: Friday, May 8, 2020 8:28 PM
To: Elecraft at mailman.qth.net
Subject: [Elecraft] KPA1500 and noise

Recently I have noticed that I have a very high noise lever at my QTH, which I have never had.  Today as I was shutting down my station I turned off the
KPA1500 first, and my noise dropped from S7 to S1 instantly.

I turned the Amp back on and the noise came back.  Have any of you ever observed this?

Thanks in advance

Ronnie W5SUM

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