Larry, I'd get a piece of linoleum. I comes 12 feet "wide" by whatever, and roll it to make a cylinder of the desired diameter x 12 ft, fit some 2x4 frames around it to keep it rolled at that diamer
See http://www.karltashjian.com/lm470.htm Rex K1HI Hi I am considering buying a Tri ex LM470 and the current owner does not have the specs. I will need to obtain a building permit from the county. An
john, I don't follow you. "One cannot dispute mathematics. Gain is a product of Boom Length." The boom length of a TH7 is 24 feet. The boom length of a C-31XR is 31 feet. Therefore, the C-31XR is the
I guess the REAL question is, "Is there any band where the effective boom length of the TH7 exceeds the effective boom length of the C-31XR?" Rex K1HI You have provided a quick answer, but the REAL q
David, The "prevailing wind" might not be the best selection: you should select a direction that the wind blows from when it's foul. Look at your local airport: what is their ILS runway? That'll tell
Let's assume the worst happens: the bolt rusts off. What happens next, the tower flys off into the sky? de K1HI --Original Message-- From: towertalk-bounces@contesting.com [mailto:towertalk-bounces@c
Surely there's a standard way these things are supposed to be erected? Or is the user left to their own creativiy? Dan, Don't know if your concern is whether the typical ham is strong enough to walk
Yeah, I talked to him too, the antenna was fixed direction, had a couple of poles supporting a boom that had a lot of elements to it... Rex K1HI --Original Message-- From: towertalk-bounces@contestin
Ken, There's a dialogue, one could even say debate, about what's better: "pier pin" or buried section for a base. I've done both. The pier pin was recommended to me for my current 100 footer by peopl
see http://www.info-central.org/construction_heattape.shtml, or google HEAT SHRINK TAPE Rex Lint K1HI Merrimack, NH 03054 H: 603-889-7650 W: 603-860-7651 I vaguely remember someone (AMP?) had a heat
Joe, see http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=3076948544&category=4672. You can always "search" on ebay... 73 Rex Lint, K1HI 26 Brek Drive Merrimack, NH 03054 PHONE 603-860-7651 HOME 60
See http://www.onemantowers.com/ Rex Lint, K1HI 26 Brek Drive Merrimack, NH 03054 PHONE 603-860-7651 HOME 603-889-7650 FAX 603-882-6612 I have heard that someone in the USA is making One Man Towers u
See http://news.bbc.co.uk/2/hi/americas/3495499.stm Rex Lint, Consultant 26 Brek Drive Merrimack, NH 03054 PHONE 603-860-7651 HOME 603-889-7650 FAX 603-882-6612 You have been snookered!! Do you actua
Or go direct to http://rohnnet.com/rohnnet2001/catalog/pdfs/Hardware/HA-74.pdf. Rex Lint, Consultant 26 Brek Drive Merrimack, NH 03054 PHONE 603-860-7651 HOME 603-889-7650 FAX 603-882-6612 --Original
Con, There MUST be multistrand wire that doesn't have this problem - hams have been using the stuff for years. I'm not sure what AFAIK means, but I'd hope it doesn't mean the multistrand stuff that h
I've seen a rail from a railroad used, sunk in the ground about 5 feet and sticking out about 8 or 9 feet with a hole torched in it for the equalizer plate to bolt to. I'd bet you could even go longe
Arne, What lubricant did you use to get things apart? Rex K1HI Arne, I did the upgrade about a year and a half ago and have had good results. I've attached a before and after SWR plot for you at your
Is there anyone out there that's real proud of their refurbishing efforts on older beams? I've to 2 KT34-XAs and 2 KT34's sitting on the ground, and the current wisdom is to use WD40 to get them apar
Neal, I think all is not lost! I took down a tower, then used the base that was left by building up a form around the concrete that was there, anchoring a pier-pin (huge-ass stainless bolt) in the ce
I think your math is off by a factor of ten, Carl. Its a buck fifty per HUNDRED! de K1HI Rex Lint 26 Brek Drive Merrimack, NH 03054 For something like a buck fifty a thousand of replacement cost, the