Used to have a Windom up here. The RF from it got into everything:- K2 PSU, Computer, UPS, Telephone and Alarm system. Changed to a balanced (Doublet) antenna, end of problems.
73 Stewart G3RXQ On Thu, 8 Dec 2005 12:04:13 -0000, Paul Webb wrote: > HI Tom > > It seems to happen more when the ATU needs to work harder to find a match, > I have a 40m Windom up here and I can load it on all bands with the K2, but > it has to work hard to get me a match on 160m/80m and this is normally when > it happens, its not a problem since I put a float battery across the PSU's > output. > I have had it mess up some of the settings too on my K2 when it happens, > mostly on the DSP settings like turning the RTC menu option to OFF > All the best > Paul > M0BMN > > > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of Tom Althoff > Sent: 08 December 2005 10:34 > To: elecraft@mailman.qth.net > Subject: Re: [Elecraft] K2/100 RFI problem using Astron 20A > > I have the Ten-Tec Orion supply which is an Astron 20A and also experienced > that symptom as recently as yesterday. When I run on a car battery I do not > notice it. > > After the reset I lost my sidetone. Luckily I asked Don W3FPR for advice > before I tore the radio apart. He pointed me to the sidetone source menu > and I got it working again. > > My problem ONLY occurrs on 40M. Is yours band specific Paul? > > My DC wire between the Astron and the K2 is 18 inches which is how far apart > I keep the units. It also has a large ferrite filter around it. > > Tom K2TA > Greenwood Lake, NY > K2/100 #1117 > > ----- Original Message ----- > From: "Paul Webb" <[EMAIL PROTECTED]> > To: <elecraft@mailman.qth.net> > Sent: Thursday, December 08, 2005 4:31 AM > Subject: RE: [Elecraft] K2/100 RFI problem using Astron 20A > > > Hi > > I thought I may have had a RFI problem with my K2/100 that I recently bought > but it wasn’t that. > > When I hit the tune button sometimes the K2 would start tuning and then half > way through do a reset. > > In the end I measured the current into the 100 watt stage and found that > as the tuner tried to find a match the current drawn would > > Go up and down as you would expect as the load changes. > > But I found that my 20 amp PSU could not cope with some of the very short > current drain that it was asked for and dropped its voltage which caused the > k2 to reset half way through its tune cycle . > > I was going to look for a better PSU , till I found how much a new one was! > > So in the end I have a 17AmHr Gell pack here that I float across the PSU’s > output this will help the PSU cope with the odd high current pulse and also > act as a standby Supply in the event of a mains failure. > > I guess others have found the same problem? > > 73 > > Paul > > M0BMN > > > -- > No virus found in this outgoing message. > Checked by AVG Free Edition. > Version: 7.1.362 / Virus Database: 267.13.12/192 - Release Date: 05/12/2005 > > _______________________________________________ > Elecraft mailing list > Post to: Elecraft@mailman.qth.net > You must be a subscriber to post to the list. > Subscriber Info (Addr. Change, sub, unsub etc.): > http://mailman.qth.net/mailman/listinfo/elecraft > > Help: http://mailman.qth.net/subscribers.htm > Elecraft web page: http://www.elecraft.com > > _______________________________________________ > Elecraft mailing list > Post to: Elecraft@mailman.qth.net > You must be a subscriber to post to the list. > Subscriber Info (Addr. Change, sub, unsub etc.): > http://mailman.qth.net/mailman/listinfo/elecraft > > Help: http://mailman.qth.net/subscribers.htm > Elecraft web page: http://www.elecraft.com > > -- > No virus found in this incoming message. > Checked by AVG Free Edition. > Version: 7.1.362 / Virus Database: 267.13.12/192 - Release Date: 05/12/2005 _______________________________________________ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
