I will be brushing up on welding of copper to copper as for me it would be so very much more cost effective than the Cadweld approach. Patrick AF5CK Cadweld one shots are about $8.00-$10.00 each. A c
True! But a copper CLAD ground rod is STEEL! Not copper!! Please... 73 Jim W7RY Just FYI, the standard way of connecting buried Cu radials to the Cu ring at the base of AM broadcast towers is by braz
I have seen SWER in Canada in the 1980s. I believe it was in Alberta. Just one primary conductor on the pole along the road and to the pole by the house. 73 Jim W7RY You can kind of get away with pou
That is correct. It's called a single point ground system. Covered in the Motorola R56 manual as well as many military and FAA documentation. The Motorola R56 manual is based on various NEC, IEEE, AN
Consider this example... my neighbor had a broken ground in the wire overhead from the transformer to his entrance panel. There are ground rods at the pole and at his entrance as required. When a bi
And there are 100s of them on EBay. 73 Jim W7RY Thanks Jim ab3cv Yes. L5TDF-PS or L5TDM-PS. -Steve K8LX _______________________________________________ _______________________________________________
WE (Motorola) use the butyl that Andrew supplies in their sealing kits. Most tower crews use a courtesy wrap before applying the butyl so you can get it off. There is a right and wrong way to install
Which first started by a large amount of heat. 73 Jim W7RY Do you think it is from lightning? No, it looks like long term arcing. 73, ... Joe, W4TV On 6/2/2013 2:09 PM, johne tds.net wrote: http://s1
http://www.w8ji.com/windom_off_center_fed.htm Yes. It should be noted that W8JI lives in the middle of nowhere, miles from neighbors. I'm out in the country, but my nearest neighbors are about 500 ft
Why not use something like this? http://www.dxengineering.com/parts/dxe-ecls-225 73 Jim W7RY I am assembling 5 of the 5 element 10m longjohns I just got the first one to the point that I put on the b
The ham vendor that provides this capability Who would that be? --Original Message-- From: Victor M. Walz N2PP Sent: Monday, June 17, 2013 8:56 AM To: towertalk@contesting.com Subject: Re: [TowerTalk
Agreed Joe! Let alone the cost of the Green Herron stuff itself. 73 Jim W7RY --Original Message-- From: Joe Subich, W4TV Sent: Monday, June 17, 2013 11:51 AM To: towertalk@contesting.com Subject: Re:
The power company uses screw anchors, but I think they are between 6 and 10 inches across with a 1 or 1.25" shaft. 73 Roger (K8RI) They also place an insulator in the guy cable to stop galvanic corro
Where it enters the house. Bonding of the shields should happen at the top and base of the tower however. 73 Jim W7RY Is it better to place lightning protecting at the base of the tower or where it e
I have the following for sale. Elk River 36936 Choker Tie-back Zorber Energy-Absorbing 2 Leg Nylon/Polyester Web Lanyards with Zsnaphook and Captive-eye Carabiner, 3600 lbs Gate, 6' Length x 1" Width
The fall arrest items have been spoken for. Thanks 73 Jim W7RY I have the following for sale. Elk River 36936 Choker Tie-back Zorber Energy-Absorbing 2 Leg Nylon/Polyester Web Lanyards with Zsnaphook
Yes it is. 73 Jim W7RY Second, twisted pair provides FAR greater immunity from RFI or noise coupling that parallel conductors, and most pre-made cables use parallel conductors. CAT5/6/7 is EXCELLENT
I really hate it when your tower floats away to Mars... Let alone Jupiter.... 73 Jim W7RY Why would anyone want to "ground" a tower thru cement? If the cement is "wet", lightning will conduct thru it
DX Engineering. They have saddle clamps that would work. Or if you just want the u-bolts, then http://www.mcmaster.com/#stainless-steel-u-bolts/=nounpr 73 Jim W7RY I am looking for some 1 1/4" stainl
This is a better video showing installation of positive stop connectors without special tools. Using only the supplied tools shipped with the connector. http://www.youtube.com/watch?v=na2Y2UTI6N8 You