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Total 691 documents matching your query.

21. [TowerTalk] Burying radials (score: 1)
Author: W4EF@dellroy.com (Michael Tope)
Date: Fri Jun 6 15:42:03 2003
Gene/Bud I tried the coat hanger wire also. It worked fine where I had soft soil. Unfortunately, that is the exception not the rule here. I have alot of small rocks in my soil very close to the surfa
/archives//html/Towertalk/2003-06/msg00109.html (9,825 bytes)

22. [TowerTalk] N8SM (score: 1)
Author: W4EF@dellroy.com (Michael Tope)
Date: Wed Jun 18 01:36:25 2003
I agree with Mark and Jim. We can wait a few days for the details out of respect for Steve's family. Whatever the cause turns out to be, we should all be reminded to redouble our efforts to check our
/archives//html/Towertalk/2003-06/msg00244.html (9,865 bytes)

23. [TowerTalk] 40m rotatable dipole (score: 1)
Author: W4EF@dellroy.com (Michael Tope)
Date: Sun Jun 22 13:17:22 2003
I wonder if it would be possible to gamma match the boom of the SteppIR antenna for 40 and 30 meters. Does anyone know if the parasitic elements are grounded to the boom? If so, it might be possible
/archives//html/Towertalk/2003-06/msg00348.html (8,664 bytes)

24. [TowerTalk] Combo guyed base, free standing tower (score: 1)
Author: W4EF@dellroy.com (Michael Tope)
Date: Sun Jun 22 14:12:27 2003
Yes, this probably could be done, but not without careful structural analysis of the interface between the guyed tower and the aluminum tower. The free standing aluminum tower would normally be plant
/archives//html/Towertalk/2003-06/msg00350.html (9,472 bytes)

25. [TowerTalk] New kind of hazer? (score: 1)
Author: W4EF@dellroy.com (Michael Tope)
Date: Wed Jun 25 02:50:24 2003
And all this time I was thinking that Dorothy was from Kansas not Oklahoma :) :) Mike, W4EF.......................... from about tower
/archives//html/Towertalk/2003-06/msg00452.html (8,550 bytes)

26. [TowerTalk] Base for Wilson MT-61/US Tower MA-550 (score: 1)
Author: W4EF@dellroy.com (Michael Tope)
Date: Tue May 20 08:21:45 2003
Our club recently acquired an old Wilson MT-61 tubular tower from an SK's estate. My friend was thinking of putting it up at his QTH in "house bracket" configuration, but needs to get some specificat
/archives//html/Towertalk/2003-05/msg00251.html (7,749 bytes)

27. [TowerTalk] CB operator charged under new city law (score: 1)
Author: W4EF@dellroy.com (Michael Tope)
Date: Thu May 22 00:28:24 2003
The only thing that disturbed me about this affair was the press coverage. To me the news article cited will just reinforce a misconception that I believe is already common among the general public,
/archives//html/Towertalk/2003-05/msg00304.html (14,615 bytes)

28. [TowerTalk] Combining ant elevation pattern data withpropagationpredictionsto produce a contest bandplan (score: 1)
Author: W4EF@dellroy.com (Michael Tope)
Date: Thu May 22 13:42:12 2003
I can see this clearly at my new QTH. Beaming toward Africa, I am shut out below about 12 degrees by the mountains behind me. Some path statistics that I have seen for 10 meters (W4ZV's qth to Europe
/archives//html/Towertalk/2003-05/msg00316.html (15,030 bytes)

29. [TowerTalk] coax ID help (score: 1)
Author: W4EF@dellroy.com (Michael Tope)
Date: Thu May 29 01:34:20 2003
This sounds like some kind of 0.500 inch CATV cable. The steel wire is a messenger that is used to provide mechanical support when the cable is hung above ground between utility poles. It is probably
/archives//html/Towertalk/2003-05/msg00370.html (8,720 bytes)

30. [TowerTalk] Length of Mast (score: 1)
Author: W4EF@dellroy.com (Michael Tope)
Date: Sat May 31 21:47:23 2003
Jerry, I believe lightning rods are placed on barns in order to give lightning some place to go if a strike occurs (they are grounded thru a ground lead). Although there seems to be varied opinion on
/archives//html/Towertalk/2003-05/msg00433.html (8,446 bytes)

31. [TowerTalk] Above the Thrust Bearing (score: 1)
Author: W4EF@dellroy.com (Michael Tope)
Date: Tue Apr 8 00:57:00 2003
A couple of stainless steel hose clamps (one placed above the pointy top tube and one below) and overlapping the top and bottom edges of the bearing sheet respectively will keep it (whatever the mate
/archives//html/Towertalk/2003-04/msg00153.html (14,346 bytes)

32. [TowerTalk] Above the Thrust Bearing (score: 1)
Author: W4EF@dellroy.com (Michael Tope)
Date: Tue Apr 8 15:04:21 2003
McMaster Carr (www.mcmaster.com) has .025" x 6" x 12" teflon-garolite sheets, but they are $42.00 each (ouch!!). They also have .063" x 12" x 12" ultra-high molecular weight polyethylene sheets (as s
/archives//html/Towertalk/2003-04/msg00161.html (22,553 bytes)

33. [TowerTalk] Crank-Up Tower with Short Nested Height? (score: 1)
Author: W4EF@dellroy.com (Michael Tope)
Date: Sat Mar 1 16:07:35 2003
Does anyone make a crank-up tower that has a nested height of less than 20'? I live on a hillside and am anticipating the need to accomodate my neighbors view (a 20' tower would probably end up with
/archives//html/Towertalk/2003-03/msg00004.html (7,367 bytes)

34. [TowerTalk] how vertical is vertical (score: 1)
Author: W4EF@dellroy.com (Michael Tope)
Date: Wed Mar 5 01:54:56 2003
This discussion reminds me of an antenna I worked on for the air force about 10 years ago. We were having trouble meeting a specification for the elevation pattern. I suggested we ask the customer if
/archives//html/Towertalk/2003-03/msg00058.html (15,196 bytes)

35. [TowerTalk] Speaking of Vertical (score: 1)
Author: W4EF@dellroy.com (Michael Tope)
Date: Wed Mar 5 14:02:24 2003
Generally the relative level of electric field of the vertical component is given by cosine of the angle of the radiator relative to zenith. Thus for a 5 degree angle, the loss in the power pattern o
/archives//html/Towertalk/2003-03/msg00073.html (8,549 bytes)

36. [ham-law] Re: [TowerTalk] FW: HEARING SET ON CALIFORNIA AMATEURRADIO ANTENNA BILL (score: 1)
Author: W4EF@dellroy.com (Michael Tope)
Date: Sat Mar 15 14:53:33 2003
The real key with Davis seems to be quid pro quo. Just prior to the last election I was starting to get the feeling that Davis would sell you his own mother if the contribution was big enough. If som
/archives//html/Towertalk/2003-03/msg00196.html (14,230 bytes)

37. [TowerTalk] Neighbors (score: 1)
Author: W4EF@dellroy.com (Michael Tope)
Date: Wed Mar 26 20:02:03 2003
If you guys both use stubs and bandpass filters you won't have any problems when on different bands (except if one guy is at an exact harmonic of the other). In fact, you may not even need the filter
/archives//html/Towertalk/2003-03/msg00369.html (9,582 bytes)

38. [TowerTalk] RE: Compass question (score: 1)
Author: W4EF@dellroy.com (Michael Tope)
Date: Thu Feb 13 11:50:41 2003
Jim, et al: than standard GPS handheld with a built-in flux gate compass (note that compass accuracy degrades significantly in extreme northern and southern latitudes suggesting a dependence on the e
/archives//html/Towertalk/2003-02/msg00321.html (8,326 bytes)

39. [TowerTalk] SWR question (score: 1)
Author: W4EF@dellroy.com (Michael Tope)
Date: Fri Feb 28 02:07:38 2003
I Bruce, The difference in gain due to mismatch will be inconsequential as long as the VSWR is below 3:1. The low VSWR is a nice perk, but the real key with the SteppIR antenna is the ability to opt
/archives//html/Towertalk/2003-02/msg00567.html (9,316 bytes)

40. [Towertalk] Temporary Use Permits] (score: 1)
Author: W4EF@dellroy.com (Michael Tope)
Date: Sat, 4 Jan 2003 17:19:00 -0800
Hi Nathan, I think you are referring to what's commonly know as a conditional use permit. This is a very common thing in many suburban municipalities nowadays (I understand that we have a similar pro
/archives//html/Towertalk/2003-01/msg00077.html (9,692 bytes)


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