Re: Topband: Ferrite Source (Gary K9GS)

Gary you have specs and part number on those cores?? What are the specs for 160M? -- Jim K9TF All good topband ops know how to put up a beverage at night. _ Topband Reflector

Topband: My Turn For a Brain Pick - Sanity Check

I'm building a simple 2-el vertical array for 40M, with one element driven against radials, and a passive reflector with an equal number of radials. NEC predicts 2.7 dBi over lousy ground at 15 degrees, with peak gain of 3.6 dBi at 25 degrees elevation, and F/B of about 8 dB. We've got this

Re: Topband: My Turn For a Brain Pick - Sanity Check

Hi Jim, Have you tried measuring the current in the parasitic when connected? 73, Greg, ZL3IX On 2013-06-07 09:29 a.m., Jim Brown wrote: I'm building a simple 2-el vertical array for 40M, with one element driven against radials, and a passive reflector with an equal number of radials. NEC