Hello again, I have just updated my qrz.com/ki7m page concerning the 40 meter dipole and the Comtek 80 meter 4-Square I've mentioned before. Took some helpful advice and rebuilt the 40 meter dipole s
Not wishing to sound callus since I just read about the ham who lost his life on a tower collapse.....But does anyone have a copy of the story of the guy who writes to his insurance company explainin
This is sad to hear. I have worked W0AIH many times over the years. 160,80,12,10 and 20 meters. Looks like most during contest as far back as 2010 and six of the contacts were during CQWW160 contest.
Hi folks, Interesting to hear about the Comtek boxes. My 40 meter Comtek 4-square works a bit differently that it's suppose to. I'm not very good at telling which way the relays are suppose to work.
Looking for bolts while getting ready to put up my Rohn 55 tower I found a serious contractor outlet that had #8 as well as weaker steel bolts and nuts, washers, etc. But they said you had to have a
I've never found it very easy to match up bolt patterns. Rotors with a flat bottom it would seem like you could copy it to a piece of cardboard or paper to make a pattern you could use easy enough. B
Concerning the hygain rotors. If you ever take one apart it can create a real mess and you can have ball bearings from here till dooms day. I use a large plastic tub of some kind about 2 1/2' square
Ah, 'well, yes that goes without saying' to quote Dr. Franken-stein. But of course anytime you put beams up the side of a tower and rotate them you have to take into account the guy wires hitting the
Perhaps just wild speculation but seems like everything I've heard on a subject I've paid little attention to here....But could it be just the 'capture area' as it used to be put in the old 'quad vs.
Just a little bit of concern from me. I'm not familiar with the concrete 'blocks' you are going to use. For my 117' Rohn 55 tower I used the 7-8' anchor rods that go in at an angle in the ground and
Yep, it's a neat place to learn about the high points around your QTH, distances to them and elevation angles. Terry KI7M _______________________________________________ _____________________________
Hi folks, I've ran into this problem multiple times and thought I'd ask to see if there is a simple explanation or if perhaps manufacturers of universal angle iron brackets as sold in Lowes, Home Dep
Thanks for the help guys. Got reminding about the difference between pipe and tubing sizes concerning the U-bolts. And some other things like overbuilding my detune setup. Terry KI7M ________________
Hi Stan, That's an interesting idea. I could hang a vertical dipole off my tower for 60 meters and feed it thru the dump power connection on my 4-square. Hummmm? Terry KI7M __________________________
Tony, If you are looking for spreaders for another quad or similar antenna then checkout Max Gain Systems. They make the best spreaders for quads I have ever found. I thought the Lightning Bolt sprea
Perhap a bit off subject but when I bought my new QTH in October 2016 it had a Wireless Forecast Station hanging on the way. Nice looking 8 1/2" by 10 1/2" digital unit, La Crosse Technology. Labelle
It just seems for TV stuff. Could not seem to get anything to work for a large coil for 160 mtrs made of copper tubing? Terry KI7M _______________________________________________ ____________________
Hey folks, I look at these coil calculators and come to the only conclusion is the wrong question is being answered. Example: If I have 130 feet of 12 gauge multi-strand insulated house wire (from Lo
Folks, Perhaps I look at this a bit different than some. But this formula worked a lot better for what I wanted. Calculating the inductance needed for my 130 foot 12 gauge insulated wire fed against
Jim and the gang, Is it possible to use a side mounted rotor with a chain drive to give enough reduction to work turning some large beams? Seems like you have three problems...tork (sp), breaking and