Mail Archive Search: <+subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[TowerTalk\]\s+Homebrew\s+Rotators\s*$/>

Results:

References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[TowerTalk\]\s+Homebrew\s+Rotators\s*$/: 13 ]

Total 13 documents matching your query.

1. [TowerTalk] Homebrew Rotators (score: 1): Author: Zoltan.Pitman@libertel.nl (Zoltan.Pitman@libertel.nl); Date: Thu, 1 Nov 2001 09:25:44 +0100; Hi Glenn, I suggest to do the following: 1, Create azimuthal maps centered on your QTH. There are many free SW for this purpose available on the internet. My preference is AZMAP by Paul AA6Z. 2, Prin; /archives//html/Towertalk/2001-11/msg00003.html (10,154 bytes)
2. [TowerTalk] Homebrew Rotators (score: 1): Author: marc.wullaert3@pandora.be (Marc Wullaert); Date: Thu, 1 Nov 2001 11:48:14 +0100; look for a DVM kit.They are cheap around 15us$ here.You can find them in LCD versions or LED version. whit a 500ohm pot (this one is not cheap,you find them at fleamarkets) ,at the rotor (driving by; /archives//html/Towertalk/2001-11/msg00004.html (12,072 bytes)
3. [TowerTalk] Homebrew Rotators (score: 1): Author: Zoltan.Pitman@libertel.nl (Zoltan.Pitman@libertel.nl); Date: Thu, 1 Nov 2001 12:03:45 +0100; I've been to this street and I never want to return... :) The pots are changing their resistance with humidity and especially temperature. In addition, RF can leak into your cable and superpose to th; /archives//html/Towertalk/2001-11/msg00005.html (11,384 bytes)
4. [TowerTalk] Homebrew Rotators (score: 1): Author: aa4lr@arrl.net (Bill Coleman); Date: Thu, 1 Nov 2001 14:53:58 -0500; How about using a digital technique? I've seen wind direction indicators that drive a wheel made of transparent plastic. The wheel has several bands that are alternately dark and light. A bank of opt; /archives//html/Towertalk/2001-11/msg00018.html (9,501 bytes)
5. [TowerTalk] Homebrew Rotators (score: 1): Author: k4ja@crosslink.net (Paul K4JA); Date: Thu, 1 Nov 2001 23:39:45 -0000; Try This link for a Digital readout. http://web.wt.net/~w5un/readout.htm 73 Paul K4JA List Sponsored by AN Wireless: AN Wireless handles Rohn tower systems, Trylon Titan towers, coax, hardline and mo; /archives//html/Towertalk/2001-11/msg00022.html (8,278 bytes)
6. [TowerTalk] Homebrew Rotators (score: 1): Author: w2fca@qsl.net (Frank Ayers); Date: Fri, 2 Nov 2001 00:41:18 -0000; I had no problems with this - use a 10 turn pot. Apply -8.0 volts to one end and +8 adjustable to the other. When the pot is about in the middle of the range, adjust the +8 volts until the voltage at; /archives//html/Towertalk/2001-11/msg00023.html (9,057 bytes)
7. [TowerTalk] Homebrew Rotators (score: 1): Author: Zoltan.Pitman@libertel.nl (Zoltan.Pitman@libertel.nl); Date: Fri, 2 Nov 2001 09:51:01 +0100; Closed circuit TV camera for heading indication ?!? What about getting a local rookie up on the top of tower with large capacitor connected to his feet? Every time I remotely discharge the capacitor; /archives//html/Towertalk/2001-11/msg00029.html (8,985 bytes)
8. [TowerTalk] Homebrew Rotators (score: 1): Author: aa4lr@arrl.net (Bill Coleman); Date: Fri, 2 Nov 2001 09:34:01 -0500; Yes, why not? Such a system isn't incredibly expensive. Black and White cameras are available for less than $100 US dollars. It has the advantage that you always know which direction your beam is poi; /archives//html/Towertalk/2001-11/msg00030.html (8,609 bytes)
9. [TowerTalk] Homebrew Rotators (score: 1): Author: ve7hcb@rac.ca (Chris BONDE); Date: Fri, 02 Nov 2001 17:51:45 -0800; I donot know how things would perform in the outsied environment, but. I understand some of the video comeras for computers are very inexpensive, say about US$25 or so? I like the suggestion to put t; /archives//html/Towertalk/2001-11/msg00044.html (9,981 bytes)
10. [TowerTalk] Homebrew Rotators (score: 1): Author: VE6JY Don Moman" <ve6jy@freenet.edmonton.ab.ca (VE6JY Don Moman); Date: Sat, 3 Nov 2001 04:18:02 -0000; Direction readout on HB rotors: The video camera is the way to go. I had several up for 3 years outside in the weather down to -40 degrees with no problems. They are normally left on 24/7 and they ge; /archives//html/Towertalk/2001-11/msg00047.html (11,793 bytes)
11. [TowerTalk] Homebrew Rotators (score: 1): Author: Mel Martin" <mel@interlink.net (Mel Martin); Date: Sat, 3 Nov 2001 08:25:05 -0500; Hey great idea. If I'm working a Parisien, I just swing the antenna until I spot the Eiffel Tower... This newsgroup isn't merely educational... it's entertaining!!! List Sponsored by AN Wireless: AN; /archives//html/Towertalk/2001-11/msg00050.html (8,421 bytes)
12. [TowerTalk] Homebrew Rotators (score: 1): Author: htodd@twofifty.com (Hisashi T Fujinaka); Date: Sat, 3 Nov 2001 08:50:15 -0800 (PST); But then you'd want one on the back for long path. -- Hisashi T Fujinaka - htodd@twofifty.com BSEE (6/86) + BSChem (3/95) + BAEnglish (8/95) + $2.50 = mocha latte List Sponsored by AN Wireless: AN Wi; /archives//html/Towertalk/2001-11/msg00057.html (9,371 bytes)
13. [TowerTalk] Homebrew Rotators (score: 1): Author: glenn@gi0kvq.co.uk (Glenn Millar); Date: Sun, 28 Oct 2001 18:53:43 -0000; Working on a project here to make a homebuilt rotator. While the mechanics of the system are fairly straight forward one problem is with the direction indication. I was considering using an old comme; /archives//html/Towertalk/2001-10/msg00542.html (7,422 bytes)

Current List: 1 - 13
Page: [1]