Thank you very much John. Very 73 - Mike - k9JRI
> On May 28, 2018, at 1:39 PM, John Oppenheimer <j...@kn5l.net> wrote: > > Hi Mike, > > An EZNEC model using 30 feet AGL and Q=200 for the coils, has a very > close match the the reported values. > > 20M, the antenna does not seem to degrade form a simple dipole with a > Gain of about 6 dBi at about 30 degrees elevation. > > 80M, it's about 5 dBi at 90 degrees elevation. Expected from a low > dipole. The impedance at resonance is about 25 Ohm, so should have a SWR > about 2. A lower measured SWR may be the result of other system loses. > > I'd suggest this antenna is a good option for the constraints imposed. > > John KN5L > > On 05/28/2018 11:39 AM, Michael Blake wrote: >> The center sections of the dipole are tuned for resonance at about 14.15 MHz >> and the end sections, past the loading inductors on each dipole leg, are >> tuned for resonance a 3.7 MHz. The resonance dips at both frequencies are >> quite sharp and the SWR on both bands is less than 1.5 to 1. > ______________________________________________________________ > 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 > Message delivered to k9...@mac.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 Message delivered to arch...@mail-archive.com
