Search String: Display: Description: Sort:

Results:

References: [ +from:k4gmh@arrl.net: 44 ]

Total 44 documents matching your query.

21. Re: [TowerTalk] cheap hams (score: 1)
Author: Mike <k4gmh@arrl.net>
Date: Sat, 19 Aug 2006 10:09:53 -0400
Maximum Use. _______________________________________________ _______________________________________________ TowerTalk mailing list TowerTalk@contesting.com http://lists.contesting.com/mailman/listin
/archives//html/Towertalk/2006-08/msg00635.html (10,193 bytes)

22. Re: [TowerTalk] re Soldering PL259s (score: 1)
Author: Mike <k4gmh@arrl.net>
Date: Mon, 06 Nov 2006 23:25:01 -0500
Hello Scott, Here is one of the 50 responses - get one of the crimp devices, described in QST several months ago, for PL259s. . Got one at Dayton - works great. Could not pull the cable from the conn
/archives//html/Towertalk/2006-11/msg00123.html (12,000 bytes)

23. Re: [TowerTalk] Minimum Rotor cable for 250 ft run (score: 1)
Author: Mike <k4gmh@arrl.net>
Date: Mon, 27 Nov 2006 23:28:15 -0500
The T2X here is mounted over 250 ft from the shack. Number 12 Romex (outdoor type) is used to power the motor. Also, the phase reversal capacitor is mounted next to the T2X on the tower saving two wi
/archives//html/Towertalk/2006-11/msg00766.html (9,780 bytes)

24. Re: [TowerTalk] custom aluminum panels (score: 1)
Author: Mike <k4gmh@arrl.net>
Date: Tue, 28 Nov 2006 12:09:43 -0500
Following up on Jim's comment regarding the printer/laminate method with a question - is there a way to do white on black (white letters on black background material)? My panels are black to go with
/archives//html/Towertalk/2006-11/msg00795.html (10,840 bytes)

25. [TowerTalk] Phase Relation of Different Cables (score: 1)
Author: Mike <k4gmh@arrl.net>
Date: Thu, 15 Mar 2007 11:22:06 -0400
Hello, Questions: what is a method for determining the phase relation of a pair of cables? How to adjust the cables to have the same phase? The cables are made of two different kinds of coax, FSJ-4 a
/archives//html/Towertalk/2007-03/msg00243.html (8,208 bytes)

26. [TowerTalk] Coax Choke Balun Placement (score: 1)
Author: Mike <k4gmh@arrl.net>
Date: Mon, 26 Mar 2007 11:43:40 -0400
Hello, Would winding the coax choke balun around the boom be okay? Another question, would winding the coax choke balun on a 4" PVC pipe and then suspending the choke below the boom parallel with the
/archives//html/Towertalk/2007-03/msg00536.html (9,519 bytes)

27. Re: [TowerTalk] What relay do Ameritron and Array Solutions use intheir coax switchs? (score: 1)
Author: Mike <k4gmh@arrl.net>
Date: Sat, 12 May 2007 06:53:30 -0400
The PB relays have been in usesuccessfully here for a number of years in homemade ant. switches, stub switching, stack matching etc, without a problem. They handle the 1500 Watts RTTY okay. Just reme
/archives//html/Towertalk/2007-05/msg00223.html (11,604 bytes)

28. [TowerTalk] EF240X problem (score: 1)
Author: Mike <k4gmh@arrl.net>
Date: Mon, 25 Jun 2007 23:28:36 -0400
Hello, Planning to remove the top (145 ft) Force 12 EF240X in the next several weeks due to a problem that appeared right before Christmas. The ant. suddenly shifted resonance from 7050 KHz to 7120 K
/archives//html/Towertalk/2007-06/msg00743.html (6,624 bytes)

29. Re: [TowerTalk] EF240X problem (score: 1)
Author: Mike <k4gmh@arrl.net>
Date: Sun, 22 Jul 2007 22:44:42 -0400
Hello, The problem was a loose cable clamp holding the shorting wire to one leg of one of the reflector's linear loading lines. For some reason didn't see it when initially looking for a problem with
/archives//html/Towertalk/2007-07/msg00867.html (7,624 bytes)

30. Re: [TowerTalk] Second And Third Age Old Questions (score: 1)
Author: Mike <k4gmh@arrl.net>
Date: Mon, 24 Sep 2007 07:56:44 -0400
The following coax routing arrangement has been trouble free for over three years at this and other installations. Position the ant. so it is pointed North (assuming you are using North centered rota
/archives//html/Towertalk/2007-09/msg00731.html (8,536 bytes)

31. Re: [TowerTalk] RF Relay QUestion (score: 1)
Author: Mike <k4gmh@arrl.net>
Date: Sun, 16 Dec 2007 11:43:43 -0500
Hello Dave, The Tyco/Potter & Brumfield, RTB14012F, PCB relays work well for cold switching of HF RF. Number are used here and handle 1500 W RTTY without a problem. They're rated at 12 A, 240VAC. 73,
/archives//html/Towertalk/2007-12/msg00252.html (9,748 bytes)

32. [TowerTalk] T2X Slow CCW Rotation Problem (score: 1)
Author: Mike <k4gmh@arrl.net>
Date: Mon, 28 Jan 2008 16:41:53 -0500
Need some ideas on where to look to find out why the T2X turning in the CCW direction is slower than in the CW direction. Recently noticed my T2X takes longer to turn in the CCW direction than in the
/archives//html/Towertalk/2008-01/msg00526.html (7,521 bytes)

33. Re: [TowerTalk] T2X Slow CCW Rotation Problem (score: 1)
Author: Mike <k4gmh@arrl.net>
Date: Thu, 06 Mar 2008 14:15:03 -0500
Hello, The problem with the rotor is the rod holding the series of gears used to turn the internal ring gear and the rotor had sheared off in two places. When the rotor housing was first removed, not
/archives//html/Towertalk/2008-03/msg00075.html (8,771 bytes)

34. Re: [TowerTalk] SteppIR vs. th7 stack (score: 1)
Author: Mike <k4gmh@arrl.net>
Date: Sat, 08 Mar 2008 09:31:34 -0500
Good suggestion, Jim, regarding the use of the TH7 being fixed in the SE direction. That is what I have, sort of, at this location. A TH7 stack was replaced by a pair of 4 element SteppIRs. A TH6 is
/archives//html/Towertalk/2008-03/msg00116.html (9,302 bytes)

35. Re: [TowerTalk] quick-disconnect for rotor wires etc.? (score: 1)
Author: Mike <k4gmh@arrl.net>
Date: Sat, 9 Aug 2008 13:54:47 -0400
Six pin trailer type connectors (male, female) are used on the TIC Ring and T2X rotators. The connector's sex at the rotor is opposite used on the back of the rotor control. Helps when trouble shoot
/archives//html/Towertalk/2008-08/msg00193.html (10,757 bytes)

36. [TowerTalk] AB577 Clamp Wrench (score: 1)
Author: Mike <k4gmh@arrl.net>
Date: Fri, 2 Jul 2010 22:59:57 -0400
Need to replace the wrench used to secure and remove the clamps on an AB577. One of the wrench's prongs for engaging the clamp broke off during Field Day installation of the tower. Any ideas where to
/archives//html/Towertalk/2010-07/msg00049.html (6,596 bytes)

37. Re: [TowerTalk] Jackhammer removal of tower base difficulty? (score: 1)
Author: Mike <k4gmh@arrl.net>
Date: Thu, 3 Nov 2011 17:58:07 -0400
Have you thought about just digging a hole next to the base a bit bigger and a foot or two deeper than the anticipated height of the base. Push the base into it and then fill in the hole where the ba
/archives//html/Towertalk/2011-11/msg00084.html (11,609 bytes)

38. [TowerTalk] T2X Sticking (score: 1)
Author: Mike <k4gmh@arrl.net>
Date: Mon, 26 Nov 2012 13:18:28 -0500
Hello, What can be causing my T2X to stop turning after a high wind gust? Have a T2X that won't turn after experiencing a strong, more than 30 MPH, wind. Then a day or two later the wind has subsided
/archives//html/Towertalk/2012-11/msg00282.html (8,045 bytes)

39. [TowerTalk] Radio Button IC? (score: 1)
Author: Mike <k4gmh@arrl.net>
Date: Wed, 1 May 2013 09:54:01 -0400
Hello, Is there a single IC that will provide the same functions as the old car radio buttons? Building a direction selector for an eight direction receiving antenna system and would like to use push
/archives//html/Towertalk/2013-05/msg00000.html (6,629 bytes)

40. Re: [TowerTalk] Relay Recommendations (score: 1)
Author: Mike <k4gmh@arrl.net>
Date: Fri, 9 May 2014 20:26:10 -0400
Hello Matt, I've been using Tyco RTB14012F SPDT relays (12 V DC ~30 ma. nominal op. current) in all my remote antenna switching arrangements. Run 1500 Watts RTTY, SO2R. All the relays are controlled
/archives//html/Towertalk/2014-05/msg00184.html (8,433 bytes)


This search system is powered by Namazu