I use 4 inch, perforated corrugated drainage pipe for my runs (up to 120 ft.) I first dug the trench, then laid in landscape fabric, inserted the pipe, then wrapped the fabric over the top of the pip
I agree with Gene; personally I use 4 inch perforated drainage tubing. Unless you can hermetically seal the ends and purge the interior of the pipe with dry gas (nitrogen), you'll always get water in
Personally, I have so many cables and wires coming in from outdoors, I never disconnect. Everyone has lightning protection and my single point ground, station ground, perimeter ground, and tower grou
Two places for info. Go to the Polyphaser website http://www.polyphaser.com/and thoroughly read through all of their technical articles. They describe exactly what to do. Also go to the ICE website h
Two places for info. Go to the Polyphaser website http://www.polyphaser.com/and thoroughly read through all of their technical articles. They describe exactly what to do. Also go to the ICE website h
I've just put up 120 ft. of Rohn 45 with Polygon guys with about 10 ft. of 5/16 EHS at the ground ends. What pre-tension do you guys that have these type of guys tensioned to? We just tensioned them
Jerry Keller wrote: Do I understand correctly....that the thrust bearing (a) takes the weight off the rotor, Not Really and (b) allows removal of the rotor while leaving the mast and antennas in plac
Theoretically yes they still make the work platform; it's listed in the currect catalog. But, I imagine no one stocks it and Rohn just filed for Chapter 11 yesterday and until that process clears and
I'll take a stab at your questions. First I'm no expert but these guys are; read thoroughly through their technical articles on Ham Station grounding. http://www.polyphaser.com http://www.arraysoluti
One has to buy Erico's CadWeld products from a local industrial electrical supply house and therefore, at least for me, a minimum of one case of 12 was required. You'd want to get the CadWeld OneShot
It would be totally obliterated. Just think if a amateur station ran a continuous beacon or participated in every contest! Phil KB9CRY Gene Bigham wrote: I have heard it implied but nothing definite,
Help please! I'm assembling my new in the box KLM 3 el 40M and have a question. There are two straight tubing sections that attach to the sections that are surrounded by the linear loading rods. The
When one obtains the M2 upgrade kit, which I did prior to erecting my new in the box XA, there are instructions contained in the kit on how to determine if you have one of the defective tubing units.
No problem Dave. Here's the short text: If your old antenna never worked quite right on 15M and was resonant low in the band, you may have 16" long capacitor tubes with the wrong wall thickness. The
I use trailer hitch connectors for my rotator disconnects. Heavy duty, weatherproof (I do wrap with tape after connection though.) and real inexpensive. Buy two 4 wire units for an eight wire require
I'm a believer too and just put up a Spid at 120 ft turning a KLM 3 el 40M yagi (32 ft boom, 42 ft elements, about 75 lbs.) The specs speak for themselves. The only other alternative (a worm gear rot
I'm no expert but an avid learner and listener. We all must remember that RF grounding and lightning grounding are two different things. I use #18 insulated stranded wire for my RF ground radials. I
I believe a brazed joint will pop open if hit with a lightning induced surge. Phil KB9CRY _______________________________________________ See: http://www.mscomputer.com for "Self Supporting Towers",
I don't think strength has anything to do with the potential problem. I may be wrong, I'd defer to the experts, but it may not have the current carrying capacity of a mechanical or bonded (Cadweld) j
My antenna/rotator is some 600 ft. from the shack. I ran #10 UF (Romex) cable out for the power and fire alarm wire (pair of #18) for the positioner. It's been up for a month and works like a champ.