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Total 60 documents matching your query.

21. [TowerTalk] Assistance with Big Project (score: 1)
Author: ford@cmgate.com (Ford Peterson)
Date: Thu, 25 Oct 2001 09:01:36 -0500
I am leading a group of hams into the local Dassel/Cokato MN High School at 11:20am to 1:20pm on Thursday. The goal is to introduce ham radio to 784 kids in the upper grades. We are setting up a spec
/archives//html/Towertalk/2001-10/msg00513.html (8,249 bytes)

22. [TowerTalk] Re: How accurate is EZNEC? (score: 1)
Author: ford@cmgate.com (Ford Peterson)
Date: Wed, 5 Sep 2001 16:04:53 -0500
"can EZNEC or similar modeling programs accurately determine which quad array: 1/4 waves, 1/2 waves, or 5/8 waves... will outperform the other in real life? " Real life is a strange thing. When you l
/archives//html/Towertalk/2001-09/msg00187.html (8,844 bytes)

23. [TowerTalk] RE: Another Tower Option (score: 1)
Author: ford@cmgate.com (Ford Peterson)
Date: Thu, 6 Sep 2001 09:49:33 -0500
Jon, If presented with your choice, you're right--put them both up (hi hi). The size of the base on the crank-up is very large. I have two or three friends with self supporting towers in their garage
/archives//html/Towertalk/2001-09/msg00215.html (8,633 bytes)

24. [TowerTalk] Noise and WANs (score: 1)
Author: ford@cmgate.com (Ford Peterson)
Date: Sun, 16 Sep 2001 22:49:25 -0500
Monday night I am sponsoring a picnic for the local ham radio club. One of the members works for the WAN company (ISP) and is bringing his mobile 2.4 GHz Wide Area Network setup in his pickup truck t
/archives//html/Towertalk/2001-09/msg00484.html (8,710 bytes)

25. [TowerTalk] Noise and WANs (score: 1)
Author: ford@cmgate.com (Ford Peterson)
Date: Tue, 18 Sep 2001 10:38:08 -0500
"Monday night I am sponsoring a picnic for the local ham radio club. One of the members works for the WAN company (ISP) and is bringing his mobile 2.4 GHz Wide Area Network setup in his pickup truck
/archives//html/Towertalk/2001-09/msg00523.html (9,991 bytes)

26. [TowerTalk] 80/40 Sleeve Antenna--ITS ALIVE! (score: 1)
Author: ford@cmgate.com (Ford Peterson)
Date: Mon, 6 Aug 2001 20:23:15 -0500
IT'S ALIVE!!! IT'S ALIVE!!! An old Frankenstein movie line.... In 95+ degree heat (and humid), three locals helped me push it into the sky. 7:15AM breakfast until 6:30 PM Miller time. I lost 6 pounds
/archives//html/Towertalk/2001-08/msg00129.html (13,606 bytes)

27. [TowerTalk] 80/40 Sleeve -- Ground (score: 1)
Author: ford@cmgate.com (Ford Peterson)
Date: Tue, 7 Aug 2001 23:15:40 -0500
I made this 80/40 meter vertical and would like some feedback on the ground I installed. The ground here is very good. Loamy soil for as far as the eye can see -- corn and beans mostly. I used what t
/archives//html/Towertalk/2001-08/msg00178.html (9,031 bytes)

28. [TowerTalk] 69kV to 115kV (score: 1)
Author: ford@cmgate.com (Ford Peterson)
Date: Sun, 12 Aug 2001 21:28:35 -0500
The local power utility just notified me that they intend to "upgrade" a line running 1/4 mile from the QTH to 115kV. They describe 65' wooden poles with 52" insulators (much bigger than existing ins
/archives//html/Towertalk/2001-08/msg00269.html (8,360 bytes)

29. [TowerTalk] New book announcements (score: 1)
Author: ford@cmgate.com (Ford Peterson)
Date: Mon, 13 Aug 2001 09:37:05 -0500
Any document using AntenneX as a reference leads me to believe that the book is a collection of hoax material. I think announcements like this are nothing short of SPAM. Ford-N0FP List Sponsored by A
/archives//html/Towertalk/2001-08/msg00288.html (8,100 bytes)

30. [TowerTalk] New book announcements (score: 1)
Author: ford@cmgate.com (Ford Peterson)
Date: Mon, 13 Aug 2001 14:23:17 -0500
Whoa here! I've heard of reading between the lines but inventing new dialog is a bit out of line... At no time did I ever attack the likes of Mr. Stone, Mr. Cebik, Jesus Christ or anyone else. All I
/archives//html/Towertalk/2001-08/msg00302.html (9,112 bytes)

31. [TowerTalk] 69kV to 115kV (score: 1)
Author: ford@cmgate.com (Ford Peterson)
Date: Mon, 13 Aug 2001 20:54:16 -0500
John Phillips - K2QAI ARRL Lab RFI Engineer writes privately: state 15 lines. of lines RF note, ** Apparently, there are no hard-and-fast limits on RFI from power poles. Only that they be "engineered
/archives//html/Towertalk/2001-08/msg00313.html (9,635 bytes)

32. [TowerTalk] 80/40 Sleeve -- Ground (score: 1)
Author: ford@cmgate.com (Ford Peterson)
Date: Mon, 13 Aug 2001 23:36:37 -0500
In reference to my 18.25' radius grid of 1/4" round rod (cattle panels), welded together at the feedpoint and to an 8' ground rod. The panels are 54" x 16' with a 6" pattern of 1/4" rod welded at eac
/archives//html/Towertalk/2001-08/msg00319.html (10,400 bytes)

33. [TowerTalk] 80/40 Sleeve Antenna Pix (score: 1)
Author: ford@cmgate.com (Ford Peterson)
Date: Fri, 17 Aug 2001 17:48:35 -0500
By popular demand, I have figured out how to show you some pictures of the "beast" as one guy called it. Here is the link to a view of the whole antenna, looking NE to EU no less... http://www.photoc
/archives//html/Towertalk/2001-08/msg00403.html (9,373 bytes)

34. [TowerTalk] 80/40 Sleeve Pix (score: 1)
Author: ford@cmgate.com (Ford Peterson)
Date: Fri, 17 Aug 2001 18:00:36 -0500
Sorry about that. The software said you could click on it to enlarge the photos... It worked in testing but not in the post. Let's see, hmmmm tech support ... where did I put that number.... Ford-N0F
/archives//html/Towertalk/2001-08/msg00404.html (7,036 bytes)

35. [TowerTalk] PVC and UV (score: 1)
Author: ford@cmgate.com (Ford Peterson)
Date: Thu, 30 Aug 2001 15:26:12 -0500
I looked at Rick Karlquist's posting of pictures today with great interest. My concern it the use of PVC throughout. I have no documentation to demonstrate my fears. I have used PVC for many antenna
/archives//html/Towertalk/2001-08/msg00702.html (7,887 bytes)

36. [TowerTalk] PVC and UV (score: 1)
Author: ford@cmgate.com (Ford Peterson)
Date: Thu, 30 Aug 2001 16:40:04 -0500
"Ford -- as you may know, Force 12 uses light gray PVC insulators in all their antennas. They suggest that in areas with intense direct sunlight or reflected sunlight (off snowpack, for example), it
/archives//html/Towertalk/2001-08/msg00707.html (8,597 bytes)

37. [TowerTalk] 2:1 balun (score: 1)
Author: ford@cmgate.com (Ford Peterson)
Date: Sun, 1 Jul 2001 21:01:02 -0500
To my knowledge, there is no such thing. What you will have is a 2:1 transformer but no balun action. You may have to wind a transformer and run a 1:1 balun in front of it. Better yet, figure out a w
/archives//html/Towertalk/2001-07/msg00029.html (7,372 bytes)

38. [TowerTalk] 2:1 transformers (score: 1)
Author: ford@cmgate.com (Ford Peterson)
Date: Sun, 1 Jul 2001 21:34:10 -0500
Perhaps it is not a 2:1 "balun" but a 2:1 transformer that is desired. The impedance is stepped by the square of the turns ratio. 2:1 turns ratio gives 4:1 step. If you want a 2:1 step, use 1.414:1 a
/archives//html/Towertalk/2001-07/msg00030.html (7,266 bytes)

39. [TowerTalk] Wires in trees (score: 1)
Author: ford@cmgate.com (Ford Peterson)
Date: Thu, 5 Jul 2001 14:25:35 -0500
I use a fishing rod and reel. A 1" x 3/8" carriage bolt with a matching nut works great. Just cast it through the choice spot and the bolt drops to the ground every time. Use the fishing line to pull
/archives//html/Towertalk/2001-07/msg00089.html (7,841 bytes)

40. [TowerTalk] Open Sleeve 80/40 Vertical (score: 1)
Author: ford@cmgate.com (Ford Peterson)
Date: Sat, 7 Jul 2001 14:31:22 -0500
My goal is to build an 80/40 vertical antenna this summer. I've been modeling the antenna and have some questions for those "in-the-know" on Towertalk... There is an article on the design on pp 7-16
/archives//html/Towertalk/2001-07/msg00108.html (10,980 bytes)


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