Back when I became a ham, towers were kind of rare and pricey. I saw a lot of 30 to 40 ft. telephone poles used to support beams. Even then, they were readily available for next to nothing. Problem i
I had a 50 ft. foldover and the lower guy wires would move quite a bit when I cranked it over even w/o a load. I would go with the guy wires like the instructions say. A pain since there are 4 guys i
I have a Visio Plasma TV and it is a real good RF generator. Look at this website and it may shed light on your problems if this is the case.... http://www.eham.net/articles/4285 Hello folks! I insta
Also, go to .....http://www.arrl.org/qexfiles/ and download TRAVANTY.ZIP A good program also. Details of program at http://www.arrl.org/qex/1123.pdf _______________________________________________ __
We use to often go to the top of the highest building (921 feet, floor 73) in downtown Dallas to service our ATV repeater transmitter. This building does indeed sway in high winds. If fact, the eleva
I have done this twice over the years. A Rohn 25 concrete base along with a basketball goal base lie under my yard, maybe to be found by whomever buys the house in future years. Out of sight, out of
Google used this...."antenna mast with climbing steps" .... to find this.... http://w9iix.com/ii00012.htm http://www.astel-comms.com/brackets.html Roger ______________________________________________
In the URL given, if you enlarge the 10th. pic from the top, you can see how the steps are constructed. Looks pretty simple with common antenna mounting hardware, clamps, bolts, etc. They are heavy d
Google came up with this from a QST article that referenced that Ham Radio article: J. J. Nagle, "How To Calculate Wind Loading On Towers And Antenna Structures", Ham Radio, August 1974, Page 16 http
Does anyone have a EZNEC file for the F12 XR5 they could share with me? I am having trouble getting a response at 12 and 10 meters. Twenty, 17 and 15 look OK, albeit 17 and 15 are slightly low in fre
I have had my switch located on the bottom section of theHDX-555 tower for many years in a weather proof enclosure. Same cable length as from the factory. I want tolocate it approximately 25 feet fur
From what I gather on and off the list(s), since I am only moving the Dayton drum switch about 25 feet away from the motor, I should be OK with the gauge (or slightly larger diameter) of multi-strand