My experience jibes well with Jim's. Gain throttling is imperative to get more than mediocre results using the K3: http://n1eu.com/K3/K3_agcgain.htm
73, Barry N1EU Jim Brown-10 wrote: > > On Sun, 31 Jan 2010 14:23:33 -0500, Brian Machesney wrote: > >>For the first time, I turned on the K3's ATT and found that I was even >>better able to separate callers, particularly when trying to pick out >>relatively weaker EU signals from stronger NA signals responding to my CQ. > > Those of us with lots of grey hair learned 50 years ago that the most > important control on our receiver was the RF Gain. They didn't come with > attenuators or preamps in those days, but we also learned to switch them > to > a shorter antenna when they got overloaded. > > With a modern radio, on bands below 20M, the ATTenuator should almost > always be ON and the PREamp should almost always be OFF for the greatest > ability to separate weak signals from strong ones. On 20M you can usually > turn off the ATTenuator, but you may not need the preamp until you go to > higher bands. > > Another hint -- to pull really weak ones out from between strong signals, > turn down the RF gain to the point where you are just hearing the weak > one. > During the 160M contest this weekend, preamp was off, ATT was on, and my > RF > gains were at about 2'o'clock. > > 73, > Jim K9YC > > > ______________________________________________________________ > 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 > > -- View this message in context: http://n2.nabble.com/KAT3-antenna-tuner-tp4490403p4500970.html Sent from the [K3] mailing list archive at Nabble.com. ______________________________________________________________ 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
