Tim and Beta Group- I started noticing this behavior a few days ago and
never noticed it before I installed 2.6.
On the HF bands, in SSB, I will intermittently see a low-level (S3-5)
carrier 1 KHz inside the received passband. It is there no matter where I
tune the receiver. The amplitude varies up and down randomly. I know it is
actually there because the ANF will reduce it dramatically. If I disconnect
the antenna or use a dummy load the signal drops into the noise floor. If I
am on an active antenna, with a normal noise floor around -110 dbm or so,
the signal is there. At first I thought it might be a WBIR problem, so I
did a re-calibration of image rejection but there was no change. Yesterday
it popped up again....toggling SR on and off seemed to make it go away. Has
anyone else seen this behavior?
Don K7MX
-----Original Message-----
From: flexradio-requ...@flex-radio.biz
Sent: Saturday, March 16, 2013 1:00 PM
To: flexradio@flex-radio.biz
Subject: FlexRadio Digest, Vol 95, Issue 15
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Today's Topics:
1. 60 meter noise (Ken Rau)
2. Re: 60 meter noise (N1naz)
----------------------------------------------------------------------
Message: 1
Date: Fri, 15 Mar 2013 18:35:55 -0700
From: Ken Rau <k...@nwi.net>
To: n1...@comcast.net, flexradio@flex-radio.biz
Subject: [Flexradio] 60 meter noise
Message-ID: <5143cc7b.4010...@nwi.net>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
George,
Ref Mar 2 question.....................>
I experienced [apparently] the same problem with my 3000. I note that
the wide band interference was not stable, it started above the 60 meter
band then as time marched on it would travel down in frequency, lower
than 60 meters. I also had other spurs on 80 meters moving around......>
I have screen shots I can send you. I placed a spectrum analyzer on the
antenna jack and found other spurs from the 3000. I sent the 3000 to
the Flex hospital and flex replace a chip. I don't have the RMA in
front of me, but if you ask I will dig it out.
Let me know how I can help. I can send you screen shots.........> Tim
was very helpful as were the Techs.
Ken Rau K7YR
509 687 2211
------------------------------
Message: 2
Date: Sat, 16 Mar 2013 07:14:57 -0400
From: "N1naz" <n1...@comcast.net>
To: "Ken Rau" <k...@nwi.net>, <flexradio@flex-radio.biz>
Subject: Re: [Flexradio] 60 meter noise
Message-ID: <EA9A08063BA54E8B945A75322E6219EE@DadPC>
Content-Type: text/plain; charset="iso-8859-1"
Ya It was the same thing, it went back for repair. Just awaiting its return.
From: Ken Rau
Sent: Friday, March 15, 2013 21:35
To: n1...@comcast.net ; flexradio@flex-radio.biz
Subject: 60 meter noise
George,
Ref Mar 2 question.....................>
I experienced [apparently] the same problem with my 3000. I note that the
wide band interference was not stable, it started above the 60 meter band
then as time marched on it would travel down in frequency, lower than 60
meters. I also had other spurs on 80 meters moving around......>
I have screen shots I can send you. I placed a spectrum analyzer on the
antenna jack and found other spurs from the 3000. I sent the 3000 to the
Flex hospital and flex replace a chip. I don't have the RMA in front of me,
but if you ask I will dig it out.
Let me know how I can help. I can send you screen shots.........> Tim was
very helpful as were the Techs.
Ken Rau K7YR
509 687 2211
------------------------------
Subject: Digest Footer
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End of FlexRadio Digest, Vol 95, Issue 15
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