Search String: Display: Description: Sort:

Results:

References: [ +from:Jim (Too many documents hit. Ignored) ] [ White: 1919 ]

Total 1919 documents matching your query.

361. Re: [TowerTalk] Towers and XYLs (score: 104)
Author: Ian White G/GM3SEK <gm3sek@ifwtech.co.uk>
Date: Thu, 6 Oct 2005 17:22:09 +0100
...while mine has a particular liking for large parabolic dishes. Both may be prepared to undertake consultancy work, and to appear as expert witnesses at suitably inflated fees. -- 73 from Ian G/GM3
/archives//html/Towertalk/2005-10/msg00185.html (8,139 bytes)

362. Re: [TowerTalk] WD40 - additional (score: 104)
Author: Ian White G/GM3SEK <gm3sek@ifwtech.co.uk>
Date: Mon, 3 Oct 2005 20:06:20 +0100
Confirmed by http://www.wd40.com/Brands/wd40_faqs.html -- 73 from Ian G/GM3SEK 'In Practice' columnist for RadCom (RSGB) http://www.ifwtech.co.uk/g3sek _______________________________________________
/archives//html/Towertalk/2005-10/msg00083.html (9,818 bytes)

363. Re: [TowerTalk] RE : Another stub question (score: 104)
Author: Ian White G/GM3SEK <gm3sek@ifwtech.co.uk>
Date: Fri, 16 Sep 2005 06:51:07 +0100
For an untidy packaging solution, some years ago a G station produced a large cardboard box with four coax leads, labeled "10m Station", "15m Station", "20m Station" and "Connect Tribander Here". It
/archives//html/Towertalk/2005-09/msg00518.html (8,833 bytes)

364. Re: [TowerTalk] Long feedlines (score: 104)
Author: Ian White G/GM3SEK <gm3sek@ifwtech.co.uk>
Date: Wed, 14 Sep 2005 09:15:41 +0100
In other words, foamed heliax with a solid copper sheath. The sheath is firmly bonded to the foam, so water cannot creep along the inside. The big advantage is not the low loss, but its ruggedness. I
/archives//html/Towertalk/2005-09/msg00445.html (9,160 bytes)

365. Re: [TowerTalk] TowerTalk] Source for 20' Mast (score: 104)
Author: Ian White G/GM3SEK <gm3sek@ifwtech.co.uk>
Date: Sun, 11 Sep 2005 09:05:59 +0100
Slightly under - 1-29/32in. The steel ones were originally based on "1-1/2 in" water pipe schedules, though they have their own specifications now. The aluminium version is a special tube with the sa
/archives//html/Towertalk/2005-09/msg00287.html (9,013 bytes)

366. [TowerTalk] Reduced size four-squares? (score: 104)
Author: Ian White G/GM3SEK <gm3sek@ifwtech.co.uk>
Date: Fri, 9 Sep 2005 15:35:22 +0100
limitation. Jim Lux replied: [...] [...] ...and there the topic ended. Could I revive it with a slightly different question, please? I'm planning a 40m 4-square on a lot that isn't quite big enough.
/archives//html/Towertalk/2005-09/msg00227.html (9,963 bytes)

367. Re: [TowerTalk] Re Railroad tracks (score: 104)
Author: Ian White G/GM3SEK <gm3sek@ifwtech.co.uk>
Date: Tue, 6 Sep 2005 15:50:28 +0100
On the other hand, if you happen to be operating in the middle of a switch-yard, all those parallel rails make a great reflector for NVIS. And if you have to haul up a tower, you can flag down a pass
/archives//html/Towertalk/2005-09/msg00161.html (7,620 bytes)

368. Re: [TowerTalk] Yagi lightning protection (score: 104)
Author: Ian White G/GM3SEK <gm3sek@ifwtech.co.uk>
Date: Thu, 25 Aug 2005 08:32:04 +0100
the element arced to the boom which is grounded. The relay contacts were in the middle.<< To cover all possibilities, it seems like you'd need three spark gaps around the outside of the relay box: on
/archives//html/Towertalk/2005-08/msg00503.html (9,574 bytes)

369. Re: [TowerTalk] Windings on Amidon core (score: 104)
Author: Ian White G/GM3SEK <gm3sek@ifwtech.co.uk>
Date: Fri, 12 Aug 2005 08:23:46 +0100
May I recommend DL5SWB's Mini Ring Core Calculator? http://dl5swb.de/html/software_for_amateur_radio.htm It has a large library of core data from many different manufacturers, including dimensions an
/archives//html/Towertalk/2005-08/msg00241.html (9,056 bytes)

370. Re: [TowerTalk] Loos Tension Gauge (score: 104)
Author: Ian White G/GM3SEK <gm3sek@ifwtech.co.uk>
Date: Wed, 10 Aug 2005 07:49:03 +0100
Thanks, Dick - I've been keeping those big old transformers for *something* useful after all... -- 73 from Ian G/GM3SEK _______________________________________________ See: http://www.mscomputer.com
/archives//html/Towertalk/2005-08/msg00213.html (8,584 bytes)

371. Re: [TowerTalk] MOV's (score: 104)
Author: Ian White G/GM3SEK <g3sek@ifwtech.co.uk>
Date: Wed, 3 Aug 2005 22:34:53 +0100
Not really - they work very much like bipolar zener diodes, by clamping the transient voltage. The clamping action isn't very strong, so a large spike may still rise to 2-3x the normal operating vol
/archives//html/Towertalk/2005-08/msg00074.html (9,704 bytes)

372. Re: [TowerTalk] Radio remote control? (score: 104)
Author: Ian White G/GM3SEK <g3sek@ifwtech.co.uk>
Date: Thu, 21 Jul 2005 18:11:51 +0100
Thanks to everybody who replied, both on- and off-list. Lots of interesting ideas, all the way from KISS to full "industrial strength" remote control. We're away to the new QTH in Scotland for the co
/archives//html/Towertalk/2005-07/msg00519.html (8,333 bytes)

373. [TowerTalk] Radio remote control? (score: 104)
Author: Ian White G/GM3SEK <g3sek@ifwtech.co.uk>
Date: Wed, 20 Jul 2005 09:42:28 +0100
I'm starting to lay out a new HF/VHF home station on a 1-acre site... and can already see the numbers of 200-500ft control cables expanding out-of-sight. Obviously there is a basic minimum of links t
/archives//html/Towertalk/2005-07/msg00466.html (7,623 bytes)

374. Re: [TowerTalk] [BULK] - soldering 259s to buryflex 9914F (score: 104)
Author: Ian White G3SEK <G3SEK@ifwtech.co.uk>
Date: Wed, 13 Jul 2005 15:47:28 +0100
Hello Gary Actually it doesn't work out that way. You're still heating the plug body fast enough to avoid softening the cable inside. What it does guarantee is a good solder joint to the plug body, d
/archives//html/Towertalk/2005-07/msg00312.html (10,004 bytes)

375. Re: [TowerTalk] [BULK] - soldering 259s to buryflex 9914F (score: 104)
Author: Ian White GM3SEK <g3sek@ifwtech.co.uk>
Date: Wed, 13 Jul 2005 15:47:57 +0100
Actually it doesn't work out that way. You're still heating the plug body fast enough to avoid softening the cable inside. What it does guarantee is a good solder joint to the plug body, down through
/archives//html/Towertalk/2005-07/msg00311.html (10,100 bytes)

376. Re: [TowerTalk] [BULK] - soldering 259s to buryflex 9914F (score: 104)
Author: Ian White GM3SEK <g3sek@ifwtech.co.uk>
Date: Wed, 13 Jul 2005 08:05:57 +0100
Two additional H&Ks: 1. Unless the plug is silver plated, it often helps to clear the plating out of the solder holes, so you're soldering to bare brass. 2. If you pre-heat the plug body with a hot-a
/archives//html/Towertalk/2005-07/msg00306.html (9,331 bytes)

377. Re: [TowerTalk] CLAMP ON RF AMP METER (score: 104)
Author: Ian White GM3SEK <g3sek@ifwtech.co.uk>
Date: Sun, 10 Jul 2005 21:31:22 +0100
http://www.ifwtech.co.uk/g3sek/clip-on/clip-on.htm -- 73 from Ian G/GM3SEK 'In Practice' columnist for RadCom (RSGB) http://www.ifwtech.co.uk/g3sek _______________________________________________ See
/archives//html/Towertalk/2005-07/msg00247.html (7,769 bytes)

378. Re: [TowerTalk] TowerTalk Digest, Vol 40, Issue 49 (score: 84)
Author: "Tom Ed Moore" <k5zxe@swbell.net>
Date: Thu, 20 Apr 2006 00:39:50 -0500
I have held 2250 watts to a dummy load(refrigerigation cooled) for over an hour uding 5/8 heliax at 50MHz with n connectors. No problems encountered. Also, no problem on 144 cw running legal limit du
/archives//html/Towertalk/2006-04/msg00359.html (31,718 bytes)

379. Re: [TowerTalk] Band Color Codes (score: 46)
Author: Jim CASSIDY <jc_ki7y@q.com>
Date: Mon, 15 Feb 2010 15:55:10 +0000
There a re a couple of other wire label options. 3M and maybe others make wire labels that have a white surface to write info on and a clear portion of tape covers the writing to preserve it. Another
/archives//html/Towertalk/2010-02/msg00427.html (13,413 bytes)

380. Re: [TowerTalk] TowerTalk Digest, Vol 84, Issue 45 (score: 39)
Author: "anthony" <k2vi@cox.net>
Date: Sat, 26 Dec 2009 10:51:14 -0500
WOW! What a great help you guys have been. I now have a handle on the procedure of this critical connection to the outside elements. Putting all theese emphirical solutions together I will proceed wi
/archives//html/Towertalk/2009-12/msg00292.html (40,195 bytes)


This search system is powered by Namazu