To confirm it's stray RF, try to reproduce the issue while connected to a dummy load.
73s -Larry On Feb 5, 2011, at 20:21, "Charlie Morrison" <[email protected]> wrote: > Hi Michael > > > > I rather suspect that your problem may be RFI getting into the laptop, and > it is especially sensitive at 20m. Make sure all the leads are screened, and > fit ferrites to each end of the leads. I had to wind my pc speaker leads > into small chokes to cure breakthrough.. > > > > Hope this helps > > > > 73 de Charlie GI4FUE > > > > From: [email protected] > [mailto:[email protected]] On Behalf Of Michael Ruttenberg > Sent: 05 February 2011 18:26 > To: [email protected] > Subject: [Flexradio] Flex3000 freezing up on TX (20m only?) > > > > Hi all > > Got something that has been plaguing me for a few weeks. If I TX on 15m at > about 50W all is well. If I TX on 20m even on QRP then the PSDR freezes up > and I have always needed to reboot, which is extremely annoying. > > I was using PSDR 1.18.6 uptil earlier today, and deciced I'd take a look at > PSDR v2.0.16, which is now installed. (no hotfix as when i received it from > Microsoft by email and tried to isnatll it it said access denied, so I guess > the hotfix doesn't find the issue it is meant to fix). > > I run WinXP SP3 on a Dell Latitude D630, which gave me a Performance rating > of 501, so it's passable but not brilliant. > > So I was having a play on BPSK63 to test out the radio issue on 20m and lo > and behold I noted my issue. > > I took 4 screenshots with Snagit to illustrate my issue and errors > encountered. > http://www.flickr.com/photos/61156608@N00/sets/72157625982756274/ > > I have been using my radio successfully since about August and the issue > only started since early January. > > Any ideas? > > Mike > G7TWc > _______________________________________________ > FlexRadio Systems Mailing List > [email protected] > http://mail.flex-radio.biz/mailman/listinfo/flexradio_flex-radio.biz > Archives: http://www.mail-archive.com/flexradio%40flex-radio.biz/ > Knowledge Base: http://kc.flexradio.com/ Homepage: > http://www.flexradio.com/ > > _____ > > No virus found in this message. > Checked by AVG - www.avg.com > Version: 10.0.1204 / Virus Database: 1435/3423 - Release Date: 02/04/11 > > _______________________________________________ > FlexRadio Systems Mailing List > [email protected] > http://mail.flex-radio.biz/mailman/listinfo/flexradio_flex-radio.biz > Archives: http://www.mail-archive.com/flexradio%40flex-radio.biz/ > Knowledge Base: http://kc.flexradio.com/ Homepage: http://www.flexradio.com/ _______________________________________________ FlexRadio Systems Mailing List [email protected] http://mail.flex-radio.biz/mailman/listinfo/flexradio_flex-radio.biz Archives: http://www.mail-archive.com/flexradio%40flex-radio.biz/ Knowledge Base: http://kc.flexradio.com/ Homepage: http://www.flexradio.com/

