> You didn't say how much coax ran from the K3 to the Palstar. For an > accurate comparison it should be zero (use an adapter) or at most an > couple of inches of coax.
It the KAT3 is in use one can *never* compare the SWR displayed by the K3 and that displayed by an external SWR bridge/wattmeter since there will be an *impedance changing device* (the KAT3) between the K3's SWR detector and the external SWR detector even if the length of coax is zero. 73, ... Joe, W4TV On 1/2/2012 11:27 AM, Ron D'Eau Claire wrote: > John, that is a common question. > > The KAT3 is providing a 1:1 SWR between the KAT3 and the PA *inside* the K3 > so the K3's PA is 'seeing' the correct load. The KAT3 cannot change the > impedance of the antenna presented to the ANT connector. > > You didn't say how much coax ran from the K3 to the Palstar. For an accurate > comparison it should be zero (use an adapter) or at most an couple of inches > of coax. > > You can replace the antenna with a good dummy load, and they should read > much closer, although most dummy loads have some error as well, nor are SWR > meters precision instruments; they don't need to be for efficient > transmission line operation at H.F. > > Ron AC7AC > > > -----Original Message----- > From: elecraft-boun...@mailman.qth.net > [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of John Dziedziejko > Sent: 02 January 2012 04:13 > To: elecraft@mailman.qth.net > Subject: [Elecraft] K3 Internal Tuner Question > > I installed the KAT3 over the weekend and the construction and calibration > was successful. This evening I hooked everything back up to check reception, > tuning and swr. I have it set to AUTO, when I tap the ATU TUNE switch the > tuner does its thing and I read a 1.0:1 swr on the K3 meter. I have a > Palstar Wattmeter installed between the K3 and the antenna and for some > reason I am getting a high swr on the Palstar meter of 5:1 and don't > understand why. I have a multiband vertical antenna with a 4:1 Unun at the > base of the antenna. Am I missing something here? > > A little hand holding would be appreciated. > > Regards, > > John W9QP > > > > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:Elecraft@mailman.qth.net > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > > __________ Information from ESET NOD32 Antivirus, version of virus signature > database 6759 (20120101) __________ > > The message was checked by ESET NOD32 Antivirus. > > http://www.eset.com > > > > > __________ Information from ESET NOD32 Antivirus, version of virus signature > database 6761 (20120102) __________ > > The message was checked by ESET NOD32 Antivirus. > > http://www.eset.com > > > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:Elecraft@mailman.qth.net > > 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:Elecraft@mailman.qth.net > > 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:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html