I believe you should adjust the Beverage termination resister for maximum F/B ratio and adjust the turns ratio on your matching transformer at the feedpoint for best match/SWR. 73...Don, K9NR _______
Steve, I can think of no good reason to run your feedlines inside the tower. There is an old tale that feedlines are somehow isolated from RF and lightning by running up the center of the tower. Not
The easy way to distinguish between Rohn 20 & 25 is the number of diagonals. Six for 20...seven for 25. Also, as K8WK noted, 25 is much heavier than 20. Even though they will stack/bolt together, the
I like a T or Beta match. Unbalanced matching sections such as the gamma are generally avoided on high performance VHF beams. Popular theory is that the unbalanced matching section will radiate a bit
I believe the sleeves are used to prevent chunks of ice that may slide down a guy from unravelling a grip upon impact. If you break your guys up with insulators, this would be a moot point. In the co
John, A circle is just a square without the pointy parts. :-)) Sure wish I could have heard your Irish Brogue refer to "Dinny Flaherty!" 73...Don, K9NR WHAT in the name of the divine Dinny Flaherty i
For those of us who think that caving is fun, the hard hat of choice is made by Petzl. They also have rope, carabiners, etc, etc for mountaineering, caving and other activities. Their web site is: ww
Believe it when they say some broadcast antennas weigh many tons...they do. I've worked in broadcast engineering many years and there is some truly massive steel "up there." However, rarely does a gu