Since this is going OT from just Flex, I will take offline.
Mark Lunday WD4ELG [email protected] http://wd4elg.net -----Original Message----- From: Don Sachnoff [mailto:[email protected]] Sent: Tuesday, July 21, 2009 10:20 PM To: Mark Lunday Cc: [email protected] Subject: Re: [Flexradio] 3k ATU Question Hi Mark It shows about 3.5:1 with 3 watts reflected. The LDG appears to work ok with the zerofive. I also have a Palstar AT1KM which works quite well. I am assuming I am using the correct un-un. I was told I could switch to another one for better matching, but, I would lose 160m. Have you heard of this? Don - kx9q Mark Lunday wrote: > Don, I am using the same vertical (although I am using the CG-3000 remote > tuner at the base.) Based upon my understanding, it's probably a limit of > the ATU in the F3K. . My take is that the ATU in the F3K works well, but it > won't do like some of the external tuners that can "tune a wet noodle," nor > was the ATU in the F3K intended to perform as such. > > > Dumb question from me, just to check something - are you using the correct > un-un network at the base of the vertical? This has been the subject of > extensive discussion on some of the Yahoo groups. Without the un-un or with > the wrong one, the SWR will be fairly high and only a heavy-duty external > tuner would handle it. > > If you hit the TUNE button in PowerSWR (with reduced power out of 10 watts), > what kind of SWR does the PowerSDR show? > > > Mark Lunday > WD4ELG > [email protected] > http://wd4elg.net > > > -----Original Message----- > From: [email protected] > [mailto:[email protected]] On Behalf Of Don Sachnoff > Sent: Tuesday, July 21, 2009 9:58 PM > To: [email protected] > Subject: [Flexradio] 3k ATU Question > > I finally got around to setting up the 3k and trying it out. I noticed > on 40m when I press the ATU the 3k goes into transmit for a second and > then drops out and the BYP stays on indicating the ATU cannot match. > The tuner appears to work on 20m. The antenna is a ground mounted > zerofive 43' tall with 20 radials. I am somewhat surprised as I am able > to use a LDG AT-100Pro and it tunes without issue. Could I be missing > something here or is it just the limitation of the ATU? > > Don - kx9q > > _______________________________________________ > 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.flex-radio.com/ Homepage: > http://www.flex-radio.com/ > Message delivered to [email protected] > > > _______________________________________________ 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.flex-radio.com/ Homepage: http://www.flex-radio.com/ Message delivered to [email protected]
