Phil, The electrical noise might have been a 12VDC to 120VAC inverter or perhaps a bug zapper. Just a guess.
73, BILL GERTH, W4RK Jefferson City, MO First Licensed 1954 CWOPS #459 4 States QRP Group KX3 (S/N 112) On Aug 22, 2013, at 12:23 PM, PHILIP GRAITCER <pgra...@me.com> wrote: > Last week, I asked for the group's help when I was in the field with a KX1 > and an antenna that wouldn't tune. Here's my report. > > I trimmed the 66' wire that I have used as an End Fed Half Wave (with other > rigs and tuners) to 41 feet, added a 15 foot counterpoise, and the rig tuned > just fine. > > I was unable to do anything about the input voltage, since I lacked a coax > jack that would have let me feed in 12 volts, instead of the internal 9v from > the Lithium AA cells. So the power remained at about 1.8-1.9Watts. SWR was > below 1.5, according to the KX1's display. I had left the 3S Lithium battery > pack at home partly out of laziness, partly because of my fears of losing it > in airport security. > > I did make a few contacts, so - mission accomplished. > > I did experience unusual QRM in a campgound in rural Montana on 40 meters. It > sounded like a switching power supply - and it was across the entire band. > Mostly steady, although it did stop now and then. I thought it might have > been a generator from a nearby RV but couldn't hear one going. Any ideas what > kind of electric interference that might be generated from nearby campers? > There was a mix of RVs and tent campers at the campground. I was in a tent. > > Lastly, are there any mods to the KX1 that might get it to 5 watts if I put a > 12v supply on it? I did the mod suggested by Elecraft, but the best I can get > is around 4 watts with a 12V. I do get that on all bands. > > I'm in upper Michigan this week. This time with my 12V 3S Lithium battery. > Keep a listen out for me! > > Thanks, > Phil, W3HZZ > ______________________________________________________________ > 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