Bill, I have what was originally a 69' (now only 60') Heights tower that I use as the base for a vertical on 80 and 160. The base is insulated from ground by inserting Fiberglas rod between the botto
Rick, I had a similar problem with an LM-470. It turned out that the solution was a rusted shaft between the motor and the large pulley. A squirt of oil onto the shaft and toward the portion of the s
I'm still having problems with both the K7TJR and the KB7GF PDF downloads. They only partially load, then stop. Is it my system or our others having same problem? 73, Joe K2XX Sorry about the problem
I've done it several times but many years ago at a previous QTH. IIRC, I loaded my amp to a KW out into a dummy load in the shack through an RF ammeter and measured the current. Since I had a crankup
I went through a rigorous attempt at modeling the four element Steppir on all its bands several years ago. My results did not differ substantially from those who used a less rigorous approach. I have
Thanks, Gerald and Perry. I always solder the center conductor anyhow. I'll give it a try. 73, Joe K2XX 73, Gerald K5GW Please advise. 73, Joe K2XX _______________________________________________ ___
Yes, I have a paper from a Univ. of New Mexico EE prof on the subject if anyone is interested. 73, Joe K2XX David Robbins <mailto:k1ttt@arrl.net> Saturday, August 08, 2015 12:34 PM The purpose of fra