If you just want to hear something without regard to directionality then a longish wire on the ground even if the far end is unterminated will work to receive signals. You may need a preamp or just turn on the preamp in the K3. Use the RX antenna input. Simple is good, sometimes good enough.
jim ab3cv On Sat, Jul 18, 2015 at 9:08 PM, Milverton M. Swire via Elecraft < [email protected]> wrote: > Jim / Don, thanks you both for your input. Albeit brief, I now have food > for thought and some bedtime reading to do on Beverage antennas . > ((((73)))) Milverton / W9MMS. > > From: Jim Brown <[email protected]> > To: [email protected] > Sent: Saturday, July 18, 2015 7:20 PM > Subject: Re: [Elecraft] K3 Below 500 KHz RX Antenna > > I don't completely agree with that. I have a pair of 2-wire Beverages > that are approximately one wavelength on 160M. I use them on the AM > broadcast band and find them quite effective as RX antennas. They are > not as directional on the low end of the band, but they still have SOME > directivity, and with the DX Eng preamp, they are quite sensitive. > > After installing my new synth boards in the radio with the KBPF and > doing the mods, I tried listening down to 100 kHz. Around mid-day, I had > good copy of a CW beacon about 125 miles away. These antennas are too > short to be called Beverages at those low frequencies, but they do work > well as RX antennas. > > 73, Jim K9YC > > > > On Sat,7/18/2015 2:55 PM, Don Wilhelm wrote: > > Not practical for LF reception. > > > > While the beverage is an excellent and directional receive antenna, it > > must be at least 1 wavelength long to be effective, longer is better. > > > ______________________________________________________________ > 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 > Message delivered to [email protected] > > > > ______________________________________________________________ > 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 > Message delivered to [email protected] > ______________________________________________________________ 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 Message delivered to [email protected]
