The only time I've seen this problem is when RX2 is set to RX1 Tap.
However, I have a 2nd 6M antenna preamp connected to the RX2 in and don't
have any other HF antennas to connect at the moment. I have observed the
problem on 80-10M.
I did a database reset before I started the calibration. I assume that
doing another database reset will not affect the calibration, only the
PowerSDR settings.
I am also seeing something else that I don't remember. As I switch between
bands, the RX2 mode seems to randomly change between USB, LSB and CWU. If
set I set both receivers to the same mode on one band, then change to
another band and make changes there, when I return to the 1st band the RX2
mode has usually changed, but the RX1 mode is ok. So everytime I change
bands I need to reset the mode on RX2. I've never needed to do this before.
If I turn off RX2 and do the same test, then PowerSDR remembers the RX1 mode
everytime, so it appears that PowerSDR is only having trouble remembering
the mode for each of the RX2 bands.
73,
Clay W7CE
----- Original Message -----
From: "Dudley Hurry" <jhu...@austin.rr.com>
To: "Clay W7CE" <w...@curtiss.net>
Cc: <flexradio@flex-radio.biz>
Sent: Sunday, December 20, 2009 5:36 PM
Subject: Re: [Flexradio] 5000A RX1 Preamp affects RX2
Clay,
Does this happen only with RX2 on RX1 Tap? How about with it set to RX2
In? Also make sure that you have tried a reset on the database. On mine
neither preamp effects the other RX..
73,
Dudley
WA5QPZ
Clay W7CE wrote:
I'll try running the calibration later today. Would that explain why the
RX1 preamp has any impact on RX2? Shouldn't the two receivers be fully
independent?
73,
Clay W7CE
----- Original Message ----- From: "Tim Ellison" <telli...@itsco.com>
To: "Clay W7CE" <w...@curtiss.net>; <flexradio@flex-radio.biz>
Sent: Sunday, December 20, 2009 1:04 PM
Subject: RE: [Flexradio] 5000A RX1 Preamp affects RX2
Sounds like you need to do a RX1 and RX2 level calibration.
http://kc.flex-radio.com/KnowledgebaseArticle50140.aspx
-Tim
-----Original Message-----
From: flexradio-boun...@flex-radio.biz
[mailto:flexradio-boun...@flex-radio.biz] On Behalf Of Clay W7CE
Sent: Sunday, December 20, 2009 4:01 PM
To: flexradio@flex-radio.biz
Subject: Re: [Flexradio] 5000A RX1 Preamp affects RX2
I should have mentioned the RX2 is connected to the RX1 tap.
----- Original Message -----
From: "Clay W7CE" <w...@curtiss.net>
To: <flexradio@flex-radio.biz>
Sent: Sunday, December 20, 2009 12:59 PM
Subject: [Flexradio] 5000A RX1 Preamp affects RX2
I recently installed PowerSDR 1.18.3 on a new Windows 7 system (Flex
5000A,
Firmware: 1.3.0.8, Firewire driver: 3.5.0.7171). The install went well
and
PowerSDR and the 5000A seem to be working fine. However, turning on the
RX1 preamp causes the RX2 S-Meter reading to increase by about 20dB.
With
both receivers on 20M and VFO Sync enabled, turning on the RX1 preamp
causes the signal to noise ratio on RX2 to get noticeably worse (RX2
preamp
also on) by about 20 dB. I recall this problem being reported earlier
this
year, but I thought it had been fixed. Is this a known problem with
1.18.3? Is anyone else observing this?
73,
Clay W7CE
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