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References: [ +from:n2rd@arrl.net: 34 ]

Total 34 documents matching your query.

21. [TowerTalk] Rohn 25g rotor plate mounting question (score: 1)
Author: n2rd@arrl.net (Rajiv Dewan, N2RD)
Date: Fri, 8 Oct 1999 12:54:28 -0400
I have a similar setup and you are dead-on. I have the rotor mounted at the joint between the top and next to top section. My top section is a flat top thrust bearing compatible section and so I have
/archives//html/Towertalk/1999-10/msg00196.html (9,805 bytes)

22. [TowerTalk] G-800S problem (score: 1)
Author: n2rd@arrl.net (Rajiv Dewan, N2RD)
Date: Tue, 12 Oct 1999 09:09:31 -0400
I have the same rotor and observe a similar effect, though not as frequently. I put it down to the fact that this controller has no brake and a gust of wind works out the give and backlash of the rot
/archives//html/Towertalk/1999-10/msg00316.html (9,076 bytes)

23. [TowerTalk] To Pin! (score: 1)
Author: n2rd@arrl.net (Rajiv Dewan, N2RD)
Date: Tue, 7 Sep 1999 10:56:21 -0400
^^^^^ This (wear) is the key reason for pinning - IMHO. Any one who has had a knurled nut slip in a tool the first time and get stripped knows how much harder it is to get any purhcase on it the seco
/archives//html/Towertalk/1999-09/msg00174.html (7,675 bytes)

24. [TowerTalk] Appling Big Grips to Phillystran (score: 1)
Author: Rajiv Dewan" <n2rd@arrl.net (Rajiv Dewan)
Date: Sun, 19 Sep 1999 02:59:23 -0000
Check out this month's CQ-VHF. It has a multipage article exactly on this topic and shows the procedure with multiple photographs. Rajiv, N2RD kind the before on -- FAQ on WWW: http://www.contesting.
/archives//html/Towertalk/1999-09/msg00430.html (8,585 bytes)

25. [TowerTalk] Balun for 40-2CD (score: 1)
Author: n2rd@arrl.net (Rajiv Dewan, N2RD)
Date: Mon, 20 Sep 1999 13:42:07 -0400
I have had very bad luck with the big W2DU current balun. Three years ago I bought four of them for different wire antennas that I slung from trees. Two of them have already busted. 1. One had an int
/archives//html/Towertalk/1999-09/msg00463.html (11,175 bytes)

26. [TowerTalk] Guy-wire resonance solutions (score: 1)
Author: n2rd@arrl.net (Rajiv Dewan, N2RD)
Date: Tue, 17 Aug 1999 13:10:21 -0400
quarter wave shorted stub to detune the guys. Imagine, if you will, a wire 1/4 wave long that is parallel to the guy wire that is open near the antenna but shorted to the guy at the far end. One cou
/archives//html/Towertalk/1999-08/msg00273.html (10,766 bytes)

27. [TowerTalk] tensioning guys (score: 1)
Author: n2rd@arrl.net (Rajiv Dewan, N2RD)
Date: Sat, 21 Aug 1999 10:05:18 -0400
Commenting on Loos tension gauge: how to calculate the correct > value, it is another way to do it. The calculations would be harder as the guys are not horizontal. The the biggest issue is: How woul
/archives//html/Towertalk/1999-08/msg00359.html (7,830 bytes)

28. [TowerTalk] Yaesu or Rohn Thrust Bearings (score: 1)
Author: n2rd@arrl.net (Rajiv Dewan, N2RD)
Date: Thu, 15 Jul 1999 16:20:15 -0400
How do the Yaesu thrust bearings (GS050 or GS065) compare with the Rohn TB3 for a 2" OD mast with a Rohn 25 flat top section? Regards, Rajiv, N2RD -- FAQ on WWW: http://www.contesting.com/towertalkfa
/archives//html/Towertalk/1999-07/msg00243.html (7,472 bytes)

29. Re: [TowerTalk] Discone Radiation Angle ? (score: 1)
Author: "Rajiv Dewan, N2RD" <n2rd@arrl.net>
Date: Mon, 13 Dec 2004 13:20:51 -0500
It behaves just like a vertical monopole with good low angle radiation. The actual low angle radiation depends on the ground quality. Regards, Raj, N2RD On Dec 13, 2004, at 1:05 PM, douglas.snowden@m
/archives//html/Towertalk/2004-12/msg00282.html (8,592 bytes)

30. Re: [TowerTalk] Toroid Core Material Selection (score: 1)
Author: "Rajiv Dewan, N2RD" <n2rd@arrl.net>
Date: Mon, 21 Mar 2005 15:36:39 -0500
Ferrite 31 mix seems to be a good one for chokes. Raj -- Rajiv Dewan, N2RD n2rd@arrl.net FN13fc _______________________________________________ See: http://www.mscomputer.com for "Self Supporting Tow
/archives//html/Towertalk/2005-03/msg00710.html (7,885 bytes)

31. Re: [TowerTalk] Dipole resonates lower than expected. (score: 1)
Author: "Rajiv Dewan, N2RD" <n2rd@arrl.net>
Date: Mon, 17 Oct 2005 10:36:53 -0400
Commenting on Tom's comment, the shift in frequency of x=0 point occurs because the characteristic impedance of the feedline does not match that of the antenna. If they did, the x=0 point, as measure
/archives//html/Towertalk/2005-10/msg00606.html (11,206 bytes)

32. Re: [TowerTalk] And now for something completely different (TrueNorth) (score: 1)
Author: "Rajiv Dewan, N2RD" <n2rd@arrl.net>
Date: Mon, 28 Aug 2006 10:15:46 -0400
The stick at high noon is a very good method and a lot more useful than stars at night. You do not have to live exactly at the time zone meridian. You just have to find the sunrise and sunset for *yo
/archives//html/Towertalk/2006-08/msg00969.html (10,387 bytes)

33. Re: [TowerTalk] Prop Pitch Rotor Recommendation Needed - NewQuestion. (score: 1)
Author: "Rajiv Dewan, N2RD" <n2rd@arrl.net>
Date: Tue, 23 Jan 2007 14:31:50 -0500
Just a few ways in which the Green Heron is superior, (working off of memory) - works with almost any rotor, including prop pitches, tic rings, tower turning systems, etc. - will work with AC or DC m
/archives//html/Towertalk/2007-01/msg00650.html (9,230 bytes)

34. Re: [TowerTalk] 160 M vertical and snow. (score: 1)
Author: "Rajiv Dewan, N2RD" <n2rd@arrl.net>
Date: Tue, 27 Mar 2007 13:44:17 -0400
How about just a skirt, made of plastic of wood that goes around the tower and is tall enough to be above the snow line. Plastic sheet might just do the job. Raj, N2RD -- Rajiv Dewan, N2RD n2rd@arrl.
/archives//html/Towertalk/2007-03/msg00564.html (8,385 bytes)


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