Do you have the correct antenna selected (this is a per band setting)? Do you have the RX ant selected? There is a little feedthrough under those conditions, but only strong signals will be heard.
73, Don W3FPR On 11/15/2011 2:06 PM, W9HAK wrote: > Hello list, > > My K3, serial number 3953, hears only the strongest signals on 10 > meters. I observe that the noise floor displayed on the P3 is around > -140 db. Switching the antenna in and out does not change this reading. > On the lower bands I see a noise floor change. It's like the antenna > isn't being attached. The transmitter works on 10 meters with an 1:1 > swr. The pre amp moves the noise floor as I expected. > > Any suggestions? > > W9HAK > Smith Bradford > ______________________________________________________________ > 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

