Dave et al: I've found things like this http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&category=2563&item=5905564095&rd=1 on e-Bay for the past few months. Maybe they have the RS-232 controlled versio
Steve: You are describing a configuration that is similar, but not identical, to commercial tower installations. In these installations, the coax/waveguide leaves the tower above ground and enters th
NVIS: Near-Vertical Incidence Skywave. 73 de Gene Smar AD3F local zone! It so. of it Weather Stations", and lot's more. Call Toll Free, 1-800-333-9041 with any questions and ask for Sherman, W2FLA. _
TT: Check out www.therfc.com (The RF Connection) near here in Gaithursburg, MD. Their prices for one-shots are a bit better than ten bux a piece. 73 de Gene Smar AD3F (Not an employee, just a satisfi
Todd: You're describing the method I used on my tower's PVC conduit system. Yes, high water levels will very likely introduce water INTO the conduit through the drilled holes. However, two points to
Doc: More food for thought: check out Bill N3RR's web pages on his tower installation, in particular the pages on lightning protection: http://users.erols.com/n3rr/lightningprotection/index.htm . I l
Doc: I assume you're asking whether the nearby pole line will adversely impact your station's lightning strike vulnerability and survivability. No, not significantly. The fact that you have a power l
Pat: Whatever your final plans for your tower, don't forget to consider shunt-feeding it on 160M. Those of us in the lower 48 could sure use an increase in the Topband population up your way. Hi Hi.
Karen: A cubic YARD of cured concrete weighs about 4000 pounds, according to one of my reference manuals. 73 de Gene Smar AD3F Weather Stations", and lot's more. Call Toll Free, 1-800-333-9041 with a
It was actually missed by many, many of both. 73 de Gene Smar AD3F Isn't that why NASA missed Mars by many, many miles (or was that kilometers??) a few years ago?? ;-) 73, Joe WDØM ___________
TT: To quote Tom N4KG: <Time for a repeat of this 'oldie but goodie' from the archives by Ed Gilbert, WA2SRQ. See below.> http://lists.contesting.com/archives//html/Towertalk/2001-03/msg00125.html .
TT: Here's another model of self-supporting tower: http://www.arraysolutions.com/Products/bigbertha.htm . 73 de Gene Smar AD3F -- Original Message -- From: "Alan AB2OS" <ab2os@att.net> To: "towertalk
Bill et al: Animals like hawks (largish wing spans) and squirrels frequently meet their demise by climbing onto or alighting on an energized power line (no problem there) and then permitting their wi
Jim et al: If I were the inspector, I'd count tower sections. No need to climb. FWIW. 73 de Gene Smar AD3F the any Weather Stations", and lot's more. Call Toll Free, 1-800-333-9041 with any questions
TT: Where are When I began my tower excavation work, I started by hand. One of the first problems I ran into was where to put all the spoils (dug up dirt) that my work was producing. Eventually I hir
Doug: Yes, it does matter. If you interrupt the pour, you'll need to take special measures to ensure an intergral attachment of the two pours. I believe there is a liquid material that you'd have to
Paul et al: The backhoe did most of the damage to my backyard. It was dug during a wet spell here in June, 2001. The cement trucks didn't make a dent in the lawn because they dumped their loads after
TT: I installed an industrial bearing atop my tower. I use it to steady the mast at the top as well as to provide some support for the vertical antenna load. I accomplish the vertical support NOT by
TT: FWIW: The bottom two pictures in Roland's web page show a concrete vibrator in use. I'd mentioned this gizmo in a posting earlier today. Thanks, Roland. 73 de Gene Smar AD3F than a backhoe and sa
Dear anonymous: Absolutely route your cable underground if possible. But first, ensure that you have connected the coax shield to the tower at the bottom and at the top. In this way you'll divert the