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Total 337 documents matching your query.

21. [Towertalk] Loop Gain (was LPA designs) (score: 1)
Author: wa3gin@erols.com (David Jordan)
Date: Sun, 17 Nov 2002 10:18:40 -0500
British Telecom also used LPAs to provide global broadcasting from Rugby Radio Station. To: <towertalk@contesting.com> -- StripMime Report -- processed MIME parts -- multipart/alternative text/plain
/archives//html/Towertalk/2002-11/msg00407.html (13,036 bytes)

22. [Towertalk] tower mast = to pin OR not to pin (score: 1)
Author: wa3gin@erols.com (David Jordan)
Date: Mon, 18 Nov 2002 11:43:11 -0500
For towers under 50ft there is another solution...run a pipe down to the bottom of the tower and mount the rotor on the concrete pad. Easy access for maint. and if you want you can let the antennas s
/archives//html/Towertalk/2002-11/msg00433.html (9,622 bytes)

23. [Towertalk] MAXX-COMM AUTOMACTIC TUNER (score: 1)
Author: wa3gin@erols.com (David Jordan)
Date: Wed, 20 Nov 2002 12:00:00 -0500
Hi Folks, Has anyone figured out just what this tuner is made of? It has no electrical connections for power yet is it claimed to be automatic and yet it supposedly matches a wire or dipole to any fr
/archives//html/Towertalk/2002-11/msg00533.html (9,260 bytes)

24. [Towertalk] 40M 4 element OWA (score: 1)
Author: wa3gin@erols.com (David Jordan)
Date: Fri, 22 Nov 2002 09:38:54 -0500
Please provide what you find to the list. thanks, dave wa3gin
/archives//html/Towertalk/2002-11/msg00627.html (7,574 bytes)

25. [Towertalk] Rohn 25G Bracketing (score: 1)
Author: wa3gin@erols.com (David Jordan)
Date: Wed, 02 Oct 2002 16:22:01 -0400
Jon, Pin bases can be used with guyed towers. The PIN base only has to keep the bottom of the tower from jumping around when the wind blows. Imagine a 40ft 25G tower guyed at 20ft. With the base rest
/archives//html/Towertalk/2002-10/msg00085.html (11,002 bytes)

26. [Towertalk] lmr 400 question (score: 1)
Author: wa3gin@erols.com (David Jordan)
Date: Sun, 20 Oct 2002 13:15:37 -0400
Pete, The spool you see on the mobile vans are actually PVC tubing and the coax runs inside the PVC. It gets heavy and the 58' mast now have a basket half way up to balance the weight...the newer van
/archives//html/Towertalk/2002-10/msg00660.html (7,874 bytes)

27. [Towertalk] screw in anchors (score: 1)
Author: wa3gin@erols.com (David Jordan)
Date: Mon, 09 Sep 2002 07:19:33 -0400
Pre -coat the bolt with TREE PATCH ( a black substance with the consistancy of roofing tar). Let dry before installation. The tree won't know the difference. It's key to remember that most of the nur
/archives//html/Towertalk/2002-09/msg00316.html (9,861 bytes)

28. [Towertalk] WARNING: Do not try this at home! (score: 1)
Author: wa3gin@erols.com (David Jordan)
Date: Fri, 20 Sep 2002 10:37:12 -0400
Thank God this tower guy didn't decide to be a Brain surgeon or Doctor...imagine how he would operate on you...YIKES
/archives//html/Towertalk/2002-09/msg00731.html (9,136 bytes)

29. [Towertalk] Grounding the mast (score: 1)
Author: wa3gin@erols.com (David Jordan)
Date: Sat, 10 Aug 2002 08:15:57 -0400
Hi folks, I use Brand-REX style 1680 (UL) AWM copper braid. This is braid that comes in 3/4" and 1" sizes with a heavy duty vinyl coating that can easily be sealed at the ends. I've used it for my mo
/archives//html/Towertalk/2002-08/msg00314.html (7,086 bytes)

30. [Towertalk] T2X Start cap at tower base? (score: 1)
Author: wa3gin@erols.com (David Jordan)
Date: Wed, 14 Aug 2002 14:45:58 -0400
Why are folks disconnecting the cap inside the control head? twice the capacitance isn't going to hurt anything as best I can tell. On air-conditioners when they install a start-up kit they are simpl
/archives//html/Towertalk/2002-08/msg00416.html (10,034 bytes)

31. [Towertalk] T2X Start cap at tower base? (score: 1)
Author: wa3gin@erols.com (David Jordan)
Date: Wed, 14 Aug 2002 15:49:35 -0400
Hi Mike, That quote is a funny one too....because in the Tailtwister the brake relay and the motor are in series. So, doubling up on the wires benefits both the relay function and the rotor if there
/archives//html/Towertalk/2002-08/msg00424.html (11,341 bytes)

32. [Towertalk] T2X Start cap at tower base? (score: 1)
Author: wa3gin@erols.com (David Jordan)
Date: Wed, 14 Aug 2002 18:00:05 -0400
Clarification, The power for the Brake solenoid and the motor are in parallel but both receive power from the brake switch on the control head. If the brake switch is not activated there is no power
/archives//html/Towertalk/2002-08/msg00435.html (10,540 bytes)

33. [Towertalk] OT:Communications Vans and Trailers (score: 1)
Author: wa3gin@erols.com (David Jordan)
Date: Mon, 08 Jul 2002 15:32:59 -0400
George, You didn't tell us why you want this information??? I'm the Chief INFOSEC officer for Arlington County Gov.(USA) and I'm not going to tell you how many vans we have, plan to have, the size or
/archives//html/Towertalk/2002-07/msg00202.html (10,569 bytes)

34. [Towertalk] Crank up tower & grounding (score: 1)
Author: wa3gin@erols.com (David Jordan)
Date: Fri, 19 Jul 2002 16:32:54 -0400
Leave the tower cranked down during storms...ground the coax at the top and botton sections. When it's cranked down use a jumper from the ground grid to the top section of tower. At the house use a b
/archives//html/Towertalk/2002-07/msg00511.html (7,296 bytes)

35. [Towertalk] Crank up tower & grounding (score: 1)
Author: wa3gin@erols.com (David Jordan)
Date: Fri, 19 Jul 2002 16:33:23 -0400
Leave the tower cranked down during storms...ground the coax at the top and botton sections. When it's cranked down use a jumper from the ground grid to the top section of tower. At the house use a b
/archives//html/Towertalk/2002-07/msg00512.html (7,337 bytes)

36. [Towertalk] mobile antenna matching problem (score: 1)
Author: wa3gin@erols.com (David Jordan)
Date: Tue, 23 Jul 2002 07:24:39 -0400
Bob, You could solve your problem really fast if you had a MFJ 259 antenna analyzer. It's not clear whether what you have in the way or resonance or input impedance. At 13.1mhz you have your 1:1 50oh
/archives//html/Towertalk/2002-07/msg00622.html (9,590 bytes)

37. [Towertalk] who offers protective devices for Rotor lines? (score: 1)
Author: wa3gin@erols.com (David Jordan)
Date: Wed, 24 Jul 2002 10:51:02 -0400
www.polyphaser.com
/archives//html/Towertalk/2002-07/msg00674.html (7,828 bytes)

38. [Towertalk] NVIS antenna--reflector addition (score: 1)
Author: wa3gin@erols.com (David Jordan)
Date: Wed, 05 Jun 2002 16:07:08 -0400
Don't make it to complicated... When you are making your antenna comparisons you've got to de-tune the antenna that isn't not in use or it will act as a parasitic element and you won't have a clear i
/archives//html/Towertalk/2002-06/msg00064.html (14,993 bytes)

39. [Towertalk] NVIS antenna--reflector addition (score: 1)
Author: wa3gin@erols.com (David Jordan)
Date: Wed, 05 Jun 2002 21:12:45 -0400
Hey, thanks I may try that out...I'm going to build a second system and run the two of them in phase... Those readings of course are from on air "S" meter reports ... love the way AGC pumps up the si
/archives//html/Towertalk/2002-06/msg00070.html (18,431 bytes)

40. [Towertalk] Virus warning (score: 1)
Author: wa3gin@erols.com (David Jordan)
Date: Tue, 11 Jun 2002 13:29:13 -0400
Of course if you had your anti-virus up to date you'd won't have to worry about it!
/archives//html/Towertalk/2002-06/msg00141.html (9,039 bytes)


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