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References: [ +from:gswynar@durham.net: 213 ]

Total 213 documents matching your query.

201. Re: Topband: What are these weak birdies every 10.0000 KHz? (score: 1)
Author: "Edward Swynar" <gswynar@durham.net>
Date: Mon, 22 Feb 2010 11:45:12 -0500
"...Most likely to be some form of overload in your receivers or preamps. If adding a plain resistive pad reduces the product by more than the amount of the pad, its in the receiver..." ** I hear the
/archives//html/Topband/2010-02/msg00177.html (8,599 bytes)

202. Re: Topband: Need antenna advice (score: 1)
Author: "Edward Swynar" <gswynar@durham.net>
Date: Tue, 23 Feb 2010 08:07:22 -0500
"...I think I have the '160 disease'. :-) " ** I should tell you from the outset, Mike, that there is no known cure for the affliction, either--all you can do is cope with it, and try to live an othe
/archives//html/Topband/2010-02/msg00186.html (7,954 bytes)

203. Topband: "Linear Loading" & 160-Meters (score: 1)
Author: "Edward Swynar" <gswynar@durham.net>
Date: Tue, 23 Feb 2010 10:19:27 -0500
Good Day All, I've seen references in ON4UN's book regarding the use of "linear loading" to compensate for short physical vertical antenna heights...and I recall reading somewhere once where Bill Orr
/archives//html/Topband/2010-02/msg00187.html (7,560 bytes)

204. Re: Topband: "Linear Loading" & 160-Meters (score: 1)
Author: "Edward Swynar" <gswynar@durham.net>
Date: Wed, 24 Feb 2010 11:48:18 -0500
"...The feedpoint impedance was 13.5 ohms. (Feedpoint impedance of the full size bobtail was 41 ohms.). Of course you can feed these from the bottom of the center element too, but I didn't simulate t
/archives//html/Topband/2010-02/msg00199.html (9,099 bytes)

205. Re: Topband: "Linear Loading" & 160-Meters (score: 1)
Author: "Edward Swynar" <gswynar@durham.net>
Date: Thu, 25 Feb 2010 10:39:26 -0500
"...No I didn't model a Robert Tail. It was a Bobtail. There are two methods for feeding a Bobtail, either voltage fed at the bottom of the center element or at the top of the center element (a low i
/archives//html/Topband/2010-02/msg00205.html (10,317 bytes)

206. Topband: "4nec2" Antenna Modeling (score: 1)
Author: "Edward Swynar" <gswynar@durham.net>
Date: Wed, 3 Mar 2010 14:23:43 -0500
Good Day All, I'm a complete & utterly hopeless newcomer when it comes to computerized antenna modeling... I was steered in the direction of a free online programme called "4nec2" by one who is well-
/archives//html/Topband/2010-03/msg00016.html (7,195 bytes)

207. Topband: Antenna Modeling (score: 1)
Author: "Edward Swynar" <gswynar@durham.net>
Date: Thu, 4 Mar 2010 14:14:24 -0500
Hi All, Well, no doubt about, judging from the bulk of the feedback received here re. any possible "...newbie friendliness" of the "4nec2" antenna modeling programme, I would, indeed, sustain far & a
/archives//html/Topband/2010-03/msg00027.html (6,859 bytes)

208. Re: Topband: Forestry Effect on Antennas and Radials (score: 1)
Author: "Edward Swynar" <gswynar@durham.net>
Date: Mon, 5 Jul 2010 07:09:18 -0400
"... Two questions: 1) Would the antenna, 500 feet long, still be reasonably effective at that height? 2) Would it be able to receive an adequate signal in the described woods?" ** Charles, Consider
/archives//html/Topband/2010-07/msg00013.html (8,271 bytes)

209. Topband: The New Season Approaches! (score: 1)
Author: "Edward Swynar" <gswynar@durham.net>
Date: Wed, 22 Sep 2010 11:13:28 -0400
Good Day All, Well, with any luck I should have the backyard chores pretty much all done in a day, or two, and the last of the grass "harvested" for the season in a matter of weeks... It all adds up
/archives//html/Topband/2010-09/msg00066.html (6,981 bytes)

210. Re: Topband: Inverted L Dimensions (score: 1)
Author: "Edward Swynar" <gswynar@durham.net>
Date: Fri, 24 Sep 2010 07:15:54 -0400
"...By increasing the length of the inverted L to 5/16 wl, you move the current maxima up the antenna. If you kept lengthening the antenna, you would eventually get the current maxima to the junction
/archives//html/Topband/2010-09/msg00075.html (9,471 bytes)

211. Re: Topband: coax loop (score: 1)
Author: "Edward Swynar" <gswynar@durham.net>
Date: Fri, 15 Oct 2010 10:55:06 -0400
"...Has anyone experience with coax loop receiving antenna ?" ** Hi Andrzej, Back when I lived in the suburbs, I had an indoor coax loop antenna that was actually below ground level (my shack was in
/archives//html/Topband/2010-10/msg00065.html (7,455 bytes)

212. Re: Topband: Beverage Question (score: 1)
Author: "Edward Swynar" <gswynar@durham.net>
Date: Fri, 29 Oct 2010 07:49:21 -0400
"...My question: Would it be beneficial to replace the bare wire with insulated wire to make the beverages appear electrically longer?" ** Hi Charlie, I don't think that insulation would have all tha
/archives//html/Topband/2010-10/msg00135.html (7,269 bytes)

213. Topband: RSGB 160-Meter Contest (score: 1)
Author: "Edward Swynar" <gswynar@durham.net>
Date: Sun, 14 Nov 2010 09:21:05 -0500
Hi Guys, I just received this (see below) from the RSGB contest chairman re. the upcoming 160-meter contest... More like a sprint than a hard core rock 'em sock 'em clickfest, this 4 hour long event
/archives//html/Topband/2010-11/msg00063.html (7,527 bytes)

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