Dear Colleagues, I must admit I was shocked to learn that the FCC really went through with dropping the CW requirment, even for an Extra Class license. Next will be a reduction to only two license cl
Hey Jim, What a GREAT POINT !! -- ya' took me back to Physics 1A, Fall 1963! 73, Mike DiGirolamo, W4XN Charlottesville, VA PS Yes, I did just check my pulse, and I still have one :) -- propaganda. fl
Dear Colleagues, From the top of my 72' tower I will have some 10 coax lines coursing downward from antennas. I remember a discussion about a type of coax sleeve or holder that works on the Chinese-F
Dear Colleagues, Some background info first. I have several lengths of LMR-400-Ultraflex and LMR-600-Ultrflex cable to prepare as a final stage in bringing my tower project to completion. After consi
Dear Colleagues, I am at the point of installing antennas on the 23' mast on the top of my US Tower HDX-572 (while it's on the ground). I have the associated UST tilt over attachment, which uses a Fu
Dave, These are all EXCELLENT questions but I'd be surprised if you got much more useful information other than for these two: a) who installed the tower and b) how old it was. I bought a 6yr old UST
Phil, If you are planning to use a Ufer ground, the rebar MUST be welded. There is a different type of rebar that you must order. Speak to the rebar supplier (metal supplier) and they'll tell you wha
Hi Jeff, I purchased mine from our local Rexel Electric Supply. I got a VERY GOOD PRICE and can recommend you give 'em a call at 434.977.1010. My salesperson's name is: "Mike" Be sure you know what s
2" ID Thrust Bearing (US Tower TB2US) Eccentric Locking Collar. Used but works FB. Ready to mount - complete with instructions, Allen wrench, hardware. $65 + Shipping. Mike DiGirolamo, W4XN W4XN at A
Thanks for your inquiries but the item has now been spoken for. 73, Mike, W4XN -- 2" ID Thrust Bearing (US Tower TB2US) Eccentric Locking Collar. Used but works FB. Ready to mount - complete with ins
Mitch, I can think of at least ONE other reason to go.. .... it's to FIND deals.. you know, to snoop around and search them out! Nothing wrong with or difficult to understand about that, is there? :)
Don, I built my cage from "weld quality rebar" and it was welded by a friend. My friend is a certified master welder at a nuclear power plant here in Virginia. It took him the better part of a day to
Hi Dick, Thanks for your email. You're right, whether or not a rebar cage requires welding depends on local codes and/or whose advice you listen to. I worked mostly from the information supplied by P
Hi Gang, Anyone having shopped for Polyphaser lighting arrestors lately can help. I need 3 or 4 more for various antennas on bands under 30MHz. What's the lowest priced reliable source you've found?
Dear Colleagues, I'm writing on behalf of a disabled friend Alan Gallagher who lives in San Juan Capistrano, CA. He is a ham operator whose tower was erected some months ago by volunteers. It has sin
Hi Dan, As prep in the building my rebar cage 3 or 4 years ago I did a lot of research about rebar. I was erecting the 72' heavy duty USTower unit and wanted to use a Ufer ground system employing the
Shawn, I went through all this a few years ago. I have posted many photos of the entire sequence (including the answer to your question #1). You can start here, then snoop through them all.. http://s