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Sounds like just a little assistance might get a couple of them back on the air. Eddie, have you ever considered a lay-over crank up tower? Might make your life of testing & antenna play a little easier.

GÜD!

Yep, and there's always the possibility that the receiving station is in a null or direct line angle on one antenna but not the other. One antenna could act as a reflector or director for the other, or the "¼λ null factor" could be in effect. I've tested my theory, driven ¼λ wave from the peak...

OK, gotcha. So have you received the SGM yet?

Now you're making me want to read the patent. How 'bout a link. I was simply thinking the RF begins at the connector, flows down and around both sides of the ring simultaneously, then back up to the tip, completing a ¾λ while the 180° inverted phase shield potential goes across the bracket to...

I think you meant January 30?

If he's using guy rope not guy wire and the guy rings aren't the type with a rolled edge but just flat with a rather sharp edge, it might be smart to begin each guy line with a couple inches of guy wire to a ceramic egg insulator, then to the dacron/kevlar for a smooth transition.

A Different Take on the AP Now, I dunno... because it seems to me like the AP would have to be either a ¼λ or ¾λ if it's going to offer a 50Ω impedance being directly driven. ...but then that would require a ¼λ counterpoise and it wasn't until you said something about "upside down antenna"...

Well, I am now using 100' of ½" hard line to the SGM, does that count? Yep, it's Tim alright and I heard him talking a couple days ago about Rich's signal and how much it's come up since he went with the SGM. His Big Stick was in really excellent shape when I saw it, and he went from 87' of...

If skip is in and you hear my neighbor on his new Sirio Gain Master (which he replaced his Big stick with about 2 weeks ago) you can ask him if there's no difference, he goes by Bad Apple on Ch17 or World Radio 432 on Ch L38. I've heard him say Rich has gone from an almost inaudible S-1 to a...

Close enough. Same results I got many decades ago when, as a teen, I compared every antenna I could get my hands on and found the Hy-gain Penetrator.64, Taylor GLR-4.64, Wilson AlphaV5/8 & Avanti Sigma5/8 outperformed all others, including the Starduster & Astroplane, when mounted atop my 45'...

Hey Marconi, I just got to reading that, now I'm wondering how long you needed to make the top tube when you tried the AP without top hat radials? How was it's performance compared to stock configuration?

Hey Bob, OK I guess I took that wrong, so I see they make that mast with shorter tubes to fit in elevators and shipping containers. The one in that last link is the one I gave away last year :headbang The 1/8" will be incredibly strong, enough to steady my friend's 40' tower sporting a 5...

Homer, how much lower, if at all, is the top of the AP than was the top of the 5/8λ?

Hey Marconi, Just a quick thought, (I've given this about 14 seconds of consideration so nothing definitive here) but I recall measuring mine a couple weeks ago and found it too long for a 5/8λ and too short for a 3/4λ but taking into consideration the top hat, I wonder if it could be a...

Unbelievable. My 1950's Rohn 5 section telescoping mast is 5 14g 10' sections, 47' total with 9" overlap at each of the top 4 sections. I had it at 45' (15" overlap) all those years I was in high school for a little added strength. Now I'm sorry I gave away my last brand new $79 5 section...

I do! I've been personally involved with replacing 4 Maco V-5/8 with an Imax2000 including Craig, ('CJ') across town a month ago, and every time there has been about an S-unit of improvement on both transmit and receive signal strength! :w00t: ...along with a higher level of static. :crying...

Bob, I was thinking about your 34' mast, isn't that a 4 x 9' mast? If so, you should have a guy ring at the top of each mast section, so 4 guy rings or guy points. I suppose you could guy the top 2 sections, and of course the bottom section, and ignore the 2nd one up since most of the wind...

I have an extra ream, I'll email it to you... :blink: It's not the paper that will break the bank, it's the INK!! :ohmy:

I hope no fingers are being pointed, Cap'n, and ignorance isn't limited to Extra class operators, but I agree it's good to have knowledge of as much as possible, but I believe nowadays the test is more about thinning out the population down to those who are most willing work hard enough to get...