Looking for recommendation for PE to do calculations on a tower I am buying from a 3rd party. The PE can be anywhere as I will have a licensed Nevada PE provide a stamp after reviewing the calcs as r
Anyone know of crane operator in the San Gabriel Valley CA area that could pull a tower out from a backyard and drop it on to a flatbed? John K7LY _______________________________________________ ____
Looking for recommendations/sources for hardline connectors for smooth-wall shield 1/2 hardline, eg, CR540PE. UHF or N types ok. 73, John K7LY _______________________________________________ ________
Is CR540PE hardline ok for direct burial and/or external use without conduit? _______________________________________________ _______________________________________________ TowerTalk mailing list To
I need to replace the rusted out bearing on the top plate of a tower. I see many flanged bearings listed by the usual online retail sources as well as direct from bearing manufacturers that are price
What is the advantage, if any, for using a tower top bearing with eccentric locking collar as opposed to a set-screw collar? John K7LY _______________________________________________ ________________
Wondering if anyone can suggest what might cause this interference: It is broadband, occurring across the HF spectrum every 8Khz, and is "on" for about two minutes, then "off" for about two minutes,
Previous owner had quite a lot of aluminum in the air; enough stiff breezes broke the upper mast bracket on the rotator, and the mast spun frequently enough to tweak the top plate and the mast shaft
Looking for a crankup tower raising fixture, US Tower US Tower TRX-80 HD or equivalent, any condition. John, K7LY _______________________________________________ _____________________________________
Anyone have any left over lengths of 5mm Mastrant-M rope? I need two 75 foot pieces. John K7LY _______________________________________________ _______________________________________________ TowerTal
I have two roughly 50m lengths of unterminated hardline that I swept in TDR mode using a RigExpert AA-600. Each has an N-connector on one end. The first length is Commscope CR-540PE (smoothwall 1/2"
Jim and Dan, thanks for the comments and suggestions. I ran Zplots TL params on data from my TAPR VNA and saw no unusual results. I rescanned the cable with the RigExpert but viewed the data on AntSc
On a related topic, I'm getting ready to put a Mosely PRO67-C-3 on a tower. The instructions call for a coax choke, 10 turns of RG213 in a 10" diameter, taped to the boom, and within 3-6" of the chok
Looking for suggestions for a 120VAC winch to replace the hand crank winch on a TRX80HD tower raising fixture. _______________________________________________ ________________________________________