The wire rope (cable) on my MA550 rusted through and broke during the 7th year! And, the rust was on the wire on the winch, where most of it is when the tower is up. I had never applied any of the w
Yes, we had a trichlor degreaser machines at two electronic plants for which I worked decades ago in what is now called "Silicon Valley". The main guy in the machine shop would not allow us young, g
Hi all, Now, those interested, can view an excellent photo of the 1/2 wave verticals at WWV and WWVH. Read the text below the photo. There you will discover WWV/ WWVH use elevated 1/4 wave verticals
Just wanted to say that you can see some of the radial field lines in this photo as well. Look closely at the sand just under the fence rail of the enclosure, and you will see the radial lines. Bet
It is not protected, it is a public site for NIST publicity and their survey. Did you type the URL, of just click on it? Maybe you mistyped? Don't know, comes up fine for me. Have not heard of a pro
It was wondered: Yes. These are the 15 MHz antenna array. Two half-wave vertical dipoles separated by a quarter-wave length and driven 90 degrees out of phase Nope, phased on 15 MHz. They are phased
Had to replace my tower/wire rope a couple of years ago. Ever since, have been using Whitmore's Wire Rope Lubricant. Only place I can get to apply it is to the coils of rope on the crank up winch. Ha
Nat asked: Nat what you are looking for has just been "re-published". In Chapter 6, page 6-6, you will find a full page nomegraph which gives all the variables applicable vs. the resistive attenuatio
Hi all, Oh my, in a fit of fierce green menace trimming, my son took his chain saw to the out of control foliage here about. In the process, thinking my piece of LMR-900 was a limb, he began going fo
Ok, repaired, per the suggestions by many of you. Cleaned things up a bit, exposed more shield braid, then used Sctch. 33 tape to bind down a small shield of copper flashing ( purchased at Dayton las
Hey, maybe that's a good use for my bright red P5RS7 card signed by Nao, JA1HGY, QSO dtd. 26 Dec. '92; doesn't seem much good for any thing else! 73, Jim, KH7M -- FAQ on WWW: http://www.contesting.c
Natan, Force 12 reflector, posted just several minutes ago, that putting rope inside Force 12 antenna elements will void the warranty!! He says the antenna elements, taper, etc. are designed so as t
Outstanding review of the Force 12 product. I had better go buy another! Or, you should have had along a plastic attorney! 73, Jim, KH7M -- List Sponsor: ChampionRadio.com - Trylon self-supporting t
Excellent! 73, Jim, KH7M (Now paying law dogs way too much for my daughters separation from real trouble!!) -- List Sponsor: ChampionRadio.com - Trylon self-supporting towers, safety equipment, rigg
Wow, very nice. However, have a question about the indide view of the operating "shack": Are all those Henry amplifier remote controller units for 3K Ultra or ?????? (8K'S, maybe?). And what are the
And, also experience a radiating efficiency, both xmit and rcv of about 4 to 5 dB more poor than a very simple 80 meter doublet!! I had exactly the above up out here: a Gladiator vertical with four
Hi Ted, Nothing special, is up inverted-V style. Center is hanging from a Dacron cord up on my crank up; feed point up there is probably about 50 or so feet high and out, maybe 8 feet from the tower
For whatever it is worth, I had a good experience dealing with Joel around 18/24 months ago. Bought a replacement US Tower through him. Problem was at US Tower, Bruces's seeming indifference to getti
Aloha Ivan, I sold my 950SDX and bought the Omni VI+. Use the Omni for CW primarily. Neither the Omni nor the 950SDX do I find as easy to operate DX as with the Yaesu FT1000D. The Omni does not have