I'm thinking of replacing the toriod-core balun on my Cushcraft X7 triband yagi with an air-core coax balun. I've searched the TowerTalk archives for comments on air-core baluns and there seems to be
ORIGINAL MESSAGE: -- REPLY FOLLOWS -- You can't use ohm's law directly with this circuit because of the reflected wave from the upper part of the antenna. You will find the voltage at the top, or nea
ORIGINAL MESSAGE: On Thu, 23 Aug 2007 16:09:08 -0500, "fraz1" <fraz1@bellsouth.net> wrote: -- REPLY FOLLOWS -- I use a Wagner paint stripper. Works like a charm, has variable heat. I forget the price
ORIGINAL MESSAGE: -- REPLY FOLLOWS -- I admire your attitude, but the courts have ruled over and over again that local zoning boards have almost unlimited authority. I don't like it either, but that'
ORIGINAL MESSAGE: -- REPLY FOLLOWS -- Why not replace the window glass with a piece of acrylic and drill a hole? In fact, there are diamond drills on eBay which will drill a hole in glass if you pref
ORIGINAL MESSAGE: -- REPLY FOLLOWS -- This is really OT, but I have 18 N8S QSOs confirmed via LoTW. Bill W6WRT _______________________________________________ ________________________________________
ORIGINAL MESSAGE: -- REPLY FOLLOWS -- No, I didn't. My mistake... sorry! There are no confirmed QSOs. Duh! Bill W6WRT _______________________________________________ _________________________________
ORIGINAL MESSAGE: On Sat, 08 Sep 2007 21:19:27 -0400, Joe Barnes <n4jbk@bellsouth.net> wrote: -- REPLY FOLLOWS -- You are creating a two element yagi. The usual spacing between yagi elements is betwe
ORIGINAL MESSAGE: On Sun, 9 Sep 2007 09:10:46 -0500, "Robert Chudek" <k0rc@pclink.com> wrote: -- REPLY FOLLOWS -- "The horizontal dipole system has a minimum gain of 0 dBi at 51 degrees elevation, wh
I'm no lightning expert, but I wonder if one or more lightning rods on your house would have helped? I'm thinking it would be better to attract the strike to a well-grounded rod rather than let the s
ORIGINAL MESSAGE: -- REPLY FOLLOWS -- I have heard this stated before, but in the case of lightning, I don't understand the reason why. I do understand in the case of AC mains safety grounding, but n
ORIGINAL MESSAGE: -- REPLY FOLLOWS -- You mention a ground right at the tower and another grounded bulkhead at the house entrance. That sounds like two grounds to me. Why do you call one of them a Si
ORIGINAL MESSAGE: On Tue, 11 Sep 2007 20:32:08 +0000, kb9cry@comcast.net (Phil Camera) wrote: -- REPLY FOLLOWS -- Simple, but wrong. There is no such thing as "no voltage difference" when you are tal
ORIGINAL MESSAGE: On Wed, 12 Sep 2007 12:42:53 +0000, kb9cry@comcast.net (Phil Camera) wrote: -- REPLY FOLLOWS -- Everything you describe sounds good to me. Please just stop calling it a "Single Poin
ORIGINAL MESSAGE: -- REPLY FOLLOWS -- Interestng story, but how do you know it was "induced voltages"?. A lightning strike could easily travel through 50 yards of earth looking to equalize the earth/
ORIGINAL MESSAGE: -- REPLY FOLLOWS -- Then let's call it a "Single Point Equipment Ground" or "Single Point Entrance Ground" or something like that. I agree with everything you are doing except the n
ORIGINAL MESSAGE: <snip> -- REPLY FOLLOWS -- Yes they do, and that is why I suggest we find a better name for it. I would suggest "Single Point Entrance Ground". That seems to be a much better descri
The recent "Universe" series on cable had a program about the outer planets. They stated that lightning strikes on Saturn or Jupiter (I forget which) can be a million times stronger than any on Earth
ORIGINAL MESSAGE: On Tue, 11 Sep 2007 21:42:45 -0700, Jim Lux <jimlux@earthlink.net> wrote: -- REPLY FOLLOWS -- You don't even need a loop. Remember Hertz's original experiments with induced energy?
ORIGINAL MESSAGE: -- REPLY FOLLOWS -- And your point is....? Bill W6WRT _______________________________________________ _______________________________________________ TowerTalk mailing list TowerTal