<<...snip...Do you think that a loop at say 30-40 feet fed with open wire is a better antenna for FD then an inverted vee at say 50-60 feet...snip>> I would definitely use the loop, all in a horizont
Dave asked: << Does anyone have a distributor for subject in the Virginia Area (DC to Richmond)? I need three six footers. thanks, dave wa3gin >> Hi Dave et all, A.B. Chance sells these. From their w
Hello Tony et all, I've used this free one with great success, made printouts for my shack for HF (worldwide) and VHF (statewide). Nice work by Roger Hedin, a generous ham programmer. http://hem.pass
<<...snip... lower one to carry a monofilament line threaded thru the feedline so as to stabilise it when the wind blows. My ladder line danced about madly in the breeze. Am looking at about 70ft ver
<< I'm trying to put a triangular shaped Rohn rotator plate (accessory shelf AS25G) near the middle of a standard Rohn 25G section. But no matter how I twist and turn it, I can't get it to fit anywhe
Hi All, If I remember correctly from the archives, this was discussed some time ago. It seems that copper ground rods last longer in alkaline soil and galvanized rods last longer in acid soil. As alr
Roger brings up as good point, The standard element-to-boom hardware for the C series, (and perhaps others) is zinc-plated steel, and begins to rust quickly. If you want all stainless, you must speci
<< Is there a non-radio/hobby/hardware source for 1/4" OD aluminum tubing? Maybe in the model airplane world? I know copper is readily available in the plumbing section of Home Depot et al, and maybe
Hey Gang, I had an idea to try and reduce the interaction of steel guy cables with antennas, without the complication of breaking them up with insulators or switching to Phillystran. Assemble groups
<< Does anyone have info on commercial bulkhead panels other than the ones from Polyphaser? Or, can anyone point me to a good article on homebrewing a bulkhead panel? 73, Ken, K6LA >> Hi Ken, I highl
<< Does anyone have a EZNEC model of the Rohn 25 tower they share with me? Larry, W5NCD >> I accomplished this in NEC-WIN-BASIC by simply making the tower a single conductor having a 1 foot diameter.
<< Obviously , this might stress the rotor given high winds - but it is unlikely the yagis would rotate on the mast.>> << Josh....looks like you answered your own questions....I think the answer amou
I used zinc-filled anti-sieze paste on my Rohn 25 joints. This stuff is essentially a heavy grease, filled with metal particles. I Pre-lubed the sockets on the ground. Note that there is more than on
Interesting data posted about actual DC conductivity across joints. I think the towers that benefit most from jumpers across the joints are larger sizes where the sections to not have socket joints b
<< What are people using these days for rigging rope (e.g., hauling tools and equipment up the tower, pulley work, tramming antennas, etc.)? ...SNIP... 73, Dick WC1M >> Hi Dick, I like the inexpensiv
<< I've got a set of bulkhead SO-239 connections that are very hard to weatherproof using the usual tape & vapor wrap method...snip.. heat shrink tubing is an option. I ran across several varieties t
<<SNIP...Plus you still have the problem of the wind cooling the darn PL 259 off while soldering. What are the tricks you guys use? >> Extremely few times when there's no wind up the tower! I remembe
Larry asked: << As I try to lay out possible guy anchor locations,I wonder, exactly how much "leeway" do I have for The angle with respect to each other? (nominal 120 degrees) The distance between an
<<What I do to get accurate layout the easy way is to use TWO tape measures simultaneously, with the zero ends of the tape measures going to existing points, and the far ends crossing over at the rig
Hi all, I've been experimenting with this, and can offer the following successful combination: 1) windshield washer fluid bottle. 2) Protect from the sun with a sacrificial UV layer of cheap indoor/o