If its a guyed tower, you don't need any bolts. Take a look at the Rohn 25, 45 and 55 pier pins. A simple single pin in the center of the base plate is all that is required. Take a look at the Rohn i
I see a connector covered with heatshrink and no shield pulling away. ???? Jim W7RY _______________________________________________ _______________________________________________ TowerTalk mailing l
My stock Orion clamp has been holding for 8 years now. With a TH7 and a 402CD and a 100+ pound chrome molly mast. And we get high winds here too. 73 Jim W7RY _________________________________________
236 views is far from viral. Jim W7RY _______________________________________________ _______________________________________________ TowerTalk mailing list TowerTalk@contesting.com http://lists.cont
Try Metal Supermarkets. Hopefully you have one in your area. They will sell you anything in any length. Even cut it for you. http://www.metalsupermarkets.com/ I buy all my amplifier building stock cu
I use a BN-86 on my TH-7DX and have for many years. And I run 1500 watts out on RTTY in contest mode. Never burned up one yet! 73 Jim W7RY _______________________________________________ ____________
The BN-86 is a rod core 1:1 balun. I take the cover off and re-solder the connections to the SO-239 connector. I have tried a home wound balun (RG142 wound on a FT-247 core in a plastic electrical bo
That is called "staying 100% connected" which is an OSHA requirement. And a good idea! 73 Jim W7RY _______________________________________________ _______________________________________________ Tow
The statement in that video, "free climbing is allowed by OSHA" is 100% WRONG. The originator of it has been trying unsuccessfully to have it go away. It keeps surfacing. I was a certified tower clim
Well it's actually spelled Sil-Fos or Silfos. "http://www.matweb.com/search/GetMatlsByTradename.aspx?navletter=S&tn=SIL-FOSAmong thousands of other hits on Google.73Jim W7RY--From: "Charlie Gallo" <C
Well it's actually spelled Sil-Fos or Silfos. http://www.matweb.com/search/GetMatlsByTradename.aspx?navletter=S&tn=SIL-FOS LOTS of links from Google on using this stuff. I use it for amplifier constr
Most "silver solder" doesn't contain enough silver to be effective. 73 Jim W7RY _______________________________________________ _______________________________________________ TowerTalk mailing list
You use these: http://www.timesmicrowave.com/content/pdf/hdw_install/GK-S400TT.pdf Or: http://www.alibaba.com/product-gs/52122453/Grounding_Kits_Earthing_kits_For_RG8.html There are many vendors that
If you would like to see how the professionals do it, take a look here: http://www.maplenet-inc.com/grounding Motorola's Communications Site Ground Standards know as R56, are all written around the N
Great article! thanks for sharing. 73 Jim W7RY _______________________________________________ _______________________________________________ TowerTalk mailing list TowerTalk@contesting.com http://l
My experience with Duct Seal is that it has oil in it. A little hard to work with the tape over it. 73 Jim W7RY _______________________________________________ _______________________________________
What is a G7? 73 Jim W7RY _______________________________________________ _______________________________________________ TowerTalk mailing list TowerTalk@contesting.com http://lists.contesting.com/m
You can mount it upside down if you want. BUT, if the antenna has any down tilt, it will now be up tilt. And you will most likely fill it with water. As I remember, it does rain in Florida. Good luck
Seems to me a 90 lb bag was .9 cubic feet. So it took 27+ bags to make a cubic yard. So a 60 lb bag will be considerably less. 73 Jim W7RY _______________________________________________ ____________
Or they weren't symmetrically arranged at 120 degrees from each other. 73 Jim W7RY _______________________________________________ _______________________________________________ TowerTalk mailing li