OK, I fixed the problem. The SWR reading on the K3 meter was showing about a 2.8:1 SWR. Obviously I forgot to tune through the ATU. I did that and it fixed the problem.
peh Begin forwarded message: > From: Phil Hystad <[email protected]> > Date: January 23, 2010 3:43:45 PM PST > To: Elecraft Discussion List <[email protected]> > Subject: [Elecraft] K3: Power output low on 30 meter band > > Since putting together my K3 two weeks ago I had a chance to try it out on 30 > meters today. I tuned up my delta loop to 10 meters and then noticed that > the power was low. I thought that maybe my meters were reading funny or > something funny about the antenna so I switched over to my Icom 756 Pro III > to try the same antenna. It was dead on with a 1.1:1 SWR on the same > frequency of 10.106 MHz. And, the meters for the Pro III were reading about > 101 watts output (two different meters). > > So I switched the antenna back to the K3 and checked the SWR and it was about > the same, 1.2:1 for the same frequency. But, the power output is only about > 65 watts even though the power adjust knob reads 100 watts. I tried > different readings and about 55 watts, the external meter power output starts > to flatten out compared to the digital readout of the power on the K3 (the > external meter is an LP-100A). > > All other bands show good power output. > > Any hints? > > 73, phil, K7PEH > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[email protected] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
