Steve, I think you'll find this impossible to calculate because of all the unknowns: * Operating frequency * Dielectric materials of the house and anything contained within the wall nearest the anten
Normally, the shortest standoff arm goes on the lowermost section and the longest goes on the uppermost, and they pretty much line up. Keywords being "pretty much." -WB2WIK/6 "Success is the ability
Why would you want *another* inverted-L? Make the first one bigger, and use it on both bands. Obviously, avoid 1/2WL or 1WL or 1.5WL or any integer of 1/2WL -- too hard to match. The classic 160m inv
Hi Wes, This surely depends on the inverted-L vertical-to-horizontal length ratio more than anything else. I usually go 165' overall, with 40' vertical and 125' horizontal, installed over a lot of ra
Hi Paul, some comments below..... -WB2WIK/6 "Success is the ability to go from failure to failure with no loss of enthusiasm." -Winston Churchill _______________________________________________ See:
This may be true for VHF-UHF-SHF use, where a small change can have a larger electrical impact. Hard to believe it would be true for HF or MF. Vf, as well as Zo, for coaxial cable is always "nominal"
Sure, the article was called, "Everything Works," and was by Tom Schiller, N6BT, the proprietor of Force-12. I've experienced some similar stuff over the years, which help clarify that the difference
George, re your writeup below: "Instead of getting married, why not just find some woman you don't like and give her half your stuff?" I can argue this is definitely related to antennas and towers...
_______________________________________________ See: http://www.mscomputer.com for "Self Supporting Towers", "Wireless Weather Stations", and lot's more. Call Toll Free, 1-800-333-9041 with any ques
Guy. n. Male of the human species. Opposite of Gal. -WB2WIK/6 "Success is the ability to go from failure to failure with no loss of enthusiasm." -Winston Churchill ___________________________________
I don't know what a "C8" is, but in general (aluminum oxide problem), two readily available products solve this problem: NoAlOx or OxGuard. Both available at electrical supply houses anywhere, and I'
12' x 12' isn't very big for a directional antenna...at least not one for HF, where even a very modest tribander (yagi) has elements that are about thirty feet long. However, a HexBeam or Moxon would
$140 per section for Rohn 25 is quite a good deal, for the seller, since it retails for $89 per section brand new.....-WB2WIK/6 "Success is the ability to go from failure to failure with no loss of e
Lucky indeed. I have a Basenji puppy who evidently loves the taste of coax and rotor cable, and seems to like them about the same. I now have splices in every line running into the shack, and a dog r
Porcupines can chew through just about anything, since they have very sharp, strong teeth. I've caught them tearing open tin cans (previously sealed) with their teeth -- no sweat for a porcupine. The
David, were you able to crank it down when the wind stopped blowing, or is it still stuck? You didn't make that clear. -WB2WIK/6 "Success is the ability to go from failure to failure with no loss of
_______________________________________________ See: http://www.mscomputer.com for "Self Supporting Towers", "Wireless Weather Stations", and lot's more. Call Toll Free, 1-800-333-9041 with any ques
The 17B2 is pretty long and it takes a lot of torque to get it turning, and then to stop it from turning. This puts a lot of stress on the rotor and support structure, so I'd think very secure guying
Besides having someone (anyone) nearby, I always consider an escape route, even if only using a ladder to access a roof. Look down and think, "If I had to, could I jump and live?" And if so, think ab
Strip the end of the cable to expose 5/16" of center conductor, by cutting all the way through the jacket, shield and dielectric all in one cut. Then, the jacket (only) should be stripped to expose 1