Folks: I believe we (The West and its Allies) even ridiculed the backwardness of the then-Soviet design. Imagine - vacuum tubes, of all things! However, when our Intel folks (the Govt agency, not the
Chuck: I'd go with the insulated wire for a few good reasons: 1. It's cheaper as you said; 2. It'll last longer due to the protection the insulation offers the metallic conductor; 3. It's cheaper; 4.
Juan: I used solid insulated wire, #12AWG (not sure of metric equivalent) to wrap around my coax and control cables on my Trylon tower, which also has flat members. The wire can be removed and re-att
Doug: I found this URL with a Yahoo! search: http://jeremiah.oeltjen.us/discone.html . It shows the radiation pattern of an HF discone. 73 de Gene Smar AD3F a heard Weather Stations", and lot's more.
TT: One product you might consider for a long conduit run on top of rocky terrain is Liquitite. This is the flexible plastic-covered armored conduit that is used to run wiring between electrical junc
Terry: If water gets into your conduits (and there's nothing typically that we hams do to prevent that from happening), then more water will get in later. And more after that, etc. Unless your coax j
Jim: Install TWO four-inch conduits! (I say this with only a tiny bit of jest.) But if you have a choice, I'd go with the larger PVC. I think if you do the math, you'll see that the price for a given
Dwight: If you used plumbing elbows for the turns in your conduit run, it may be difficult or impossible to pull Heliax through, depending on the number of turns/elbows. The Andrew spec sheet for LDF
Terry: One thing you might want to consider with your telescoping mast is replacing the cotter pins that come with it to pin the extended sections. I used a telescoping mast to hold up a small ATV ar
Bill: Check out the posting by N4KG regarding slopers: http://lists.contesting.com/archives//html/Towertalk/2002-01/msg00186.html . I referred to this info before I installed my half-sloper for 80M o
TT: For my CM mast, I used a painting mitt on the exterior, and pulled a paint-soaked rag through the inside of the mast several times with a rope twice as long as the mast. 73 de Gene Smar AD3F ____
TT: The articles being discussed (Aerodynamic Balancing Parts 1 and 2 and Cross-flow Principle) are worth the trouble to obtain. I learned quite a bit from them when I read them in 2001. They set my
Keith: You might try bathtub caulk to seal the penetrations. However, if you've accumulated that much water in the box, I would recommend you include provisions to drain it. A couple of small (quarte
Bill: [Completely BIASED opinion follows.] Why not give Trylon a second thought? I constructed one of these things in my back yard almost four years ago and am extremely satisfied with it. It was not
TT: My T-500-64 Trylon also came with an eight-foot long piece of 1.9 inch pipe. It's not quarter-inch wall and I don't know the alloy, so I didn't use it for the Yagis. I did buy a piece of two inch
David: The beefy wires are used to minimize the inductance of LONG ground leads, e.g., from your desk to the ground rod. The shorter leads from the rig to the ground bus can be of smaller gauge as th
Van: I had a EWE pointed at Europe for about a season back in 1998-99. I was amazed at how well it worked, considering I had been on Topband only since the year before and had had no experience with
TT: current This phenomenon illustrates Lenz's Law: http://www.launc.tased.edu.au/online/sciences/physics/Lenz%27s.html . FWIW. 73 de Gene Smar AD3F Weather Stations", and lot's more. Call Toll Free,