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References: [ +from:aa0cy@robertwanderer.gardnerville.nv.us: 72 ]

Total 72 documents matching your query.

21. [TowerTalk] Re: Tower Climbing Tip (score: 1)
Author: aa0cy@robertwanderer.gardnerville.nv.us (ROBERT WANDERER)
Date: Sun, 14 Sep 1997 18:02:04 -0700
But will they protect against a falling bolt? I think not. 73, Bob AA0CY@contesting.com Great idea...here's another: When I wear a hard hat, it either falls off or I bash my head because I can't see
/archives//html/Towertalk/1997-09/msg00352.html (8,023 bytes)

22. (Fwd) [TowerTalk] Driving ground rods (score: 1)
Author: aa0cy@robertwanderer.gardnerville.nv.us (ROBERT WANDERER)
Date: Tue, 16 Sep 1997 20:26:35 -0700
Tom Once your shack and tower are separated by about 75' or so, they will never "see" each other and should be treated as individual entities insofar as grounding is concerned. The tower should have
/archives//html/Towertalk/1997-09/msg00460.html (11,636 bytes)

23. (Fwd) [TowerTalk] Driving ground rods (score: 1)
Author: aa0cy@robertwanderer.gardnerville.nv.us (ROBERT WANDERER)
Date: Wed, 17 Sep 1997 21:54:29 -0700
Dick, Coke breeze is a by-product of burning coke and may be available from a local utility. The closest source I'm aware of is Christensen Brothers in Utah. I don't have the number home and won't be
/archives//html/Towertalk/1997-09/msg00549.html (9,623 bytes)

24. [TowerTalk] Are "Ufer" grounding BEFORE pouring base cement? (score: 1)
Author: aa0cy@robertwanderer.gardnerville.nv.us (ROBERT WANDERER)
Date: Fri, 26 Sep 1997 15:35:02 -0700
There were some recent articles (letters? Hints n Kinks?) in QST from some experts regarding welding rebar. Because the composition of rebar is suspect (it's basically "trash" metal), welding is not
/archives//html/Towertalk/1997-09/msg00699.html (11,856 bytes)

25. [TowerTalk] Are "Ufer" grounding BEFORE pouring base cement? (score: 1)
Author: aa0cy@robertwanderer.gardnerville.nv.us (ROBERT WANDERER)
Date: Fri, 26 Sep 1997 15:38:30 -0700
Hi Scott and all, Good question...one that I bet will have many answeres. I have been led to believe that one should always keep the rebar away from the tower. (Don't tie the bolts to the rebar or th
/archives//html/Towertalk/1997-09/msg00700.html (9,178 bytes)

26. [TowerTalk] Re: Are "Ufer" grounding BEFORE pouring base cement? (score: 1)
Author: aa0cy@robertwanderer.gardnerville.nv.us (ROBERT WANDERER)
Date: Fri, 26 Sep 1997 17:09:35 -0700
I always thought this was a big no no, because the rebar would then have a potential difference on it, and that would cause the water molecules to heat up during a lightning strike thereby causing th
/archives//html/Towertalk/1997-09/msg00701.html (12,117 bytes)

27. [TowerTalk] Are "Ufer" grounding BEFORE pouring base cement? (score: 1)
Author: aa0cy@robertwanderer.gardnerville.nv.us (ROBERT WANDERER)
Date: Fri, 26 Sep 1997 17:29:53 -0700
Concrete isn't an insulator. It retains moisture which aids in current flow. The ARRL is incorrect in some of their statements. PolyPhaser's efforts to have a dialogue about this subject have been un
/archives//html/Towertalk/1997-09/msg00702.html (10,994 bytes)

28. [TowerTalk] Re: Are "Ufer" grounding BEFORE pouring base cement? (score: 1)
Author: aa0cy@robertwanderer.gardnerville.nv.us (ROBERT WANDERER)
Date: Fri, 26 Sep 1997 17:45:42 -0700
I would feel better about all the PolyPhazer advice if I saw that they cited any actual experiences with lightning. If they do, please let me know, but all I have seen so far is, technical speculatio
/archives//html/Towertalk/1997-09/msg00703.html (9,439 bytes)

29. [TowerTalk] Are "Ufer" grounding BEF (score: 1)
Author: aa0cy@robertwanderer.gardnerville.nv.us (ROBERT WANDERER)
Date: Fri, 26 Sep 1997 17:50:34 -0700
One ground rod does not a lightning ground make. For best results, the rod(s) should be completely below grade. Usually a ground will last for about a decade or so. Where do you live? The choice of g
/archives//html/Towertalk/1997-09/msg00704.html (9,239 bytes)

30. [TowerTalk] lightning suppressor problem (score: 1)
Author: aa0cy@robertwanderer.gardnerville.nv.us (ROBERT WANDERER)
Date: Sun, 28 Sep 1997 18:54:01 -0700
Gas tubes usually fail in a shorted mode, although a "mother of all strikes" could cause them to fail open. RF Voltage can cause what's called glow mode if the tube is turned on by a over voltage con
/archives//html/Towertalk/1997-09/msg00745.html (10,113 bytes)

31. [TowerTalk] April Fools (score: 1)
Author: aa0cy@robertwanderer.gardnerville.nv.us (ROBERT WANDERER)
Date: Mon, 4 Aug 1997 19:16:49 -0700
No, that was a bit before my time. QST in 1965, however, had a great one about applying Bernoulli's Theorem to caoxial cable. Start out with RG8 and then for the last few feet switch to RG58 (RG8X di
/archives//html/Towertalk/1997-08/msg00136.html (8,761 bytes)

32. [TowerTalk] RE: Coax Break-In, Aprils Fool, etc. (score: 1)
Author: aa0cy@robertwanderer.gardnerville.nv.us (ROBERT WANDERER)
Date: Wed, 6 Aug 1997 21:08:43 -0700
Totally true. QST refused to carry the advertisements, but CQ did. In fact, Lew McCoy reviewed the product (favorably) and said if you didn't mind losing 3dB (hey, it's half the power but only 1/2 of
/archives//html/Towertalk/1997-08/msg00243.html (12,478 bytes)

33. [TowerTalk] dB/S (score: 1)
Author: aa0cy@robertwanderer.gardnerville.nv.us (ROBERT WANDERER)
Date: Thu, 7 Aug 1997 19:28:57 -0700
Those who think they know everything really tork off those of us who do. (Saying in the show dog world, where I have spent 22 interesting years breeding, training and showing Norwegian Elkhounds) Fla
/archives//html/Towertalk/1997-08/msg00296.html (7,140 bytes)

34. [TowerTalk] "Leaky" Coax, What is it? (score: 1)
Author: aa0cy@robertwanderer.gardnerville.nv.us (ROBERT WANDERER)
Date: Sat, 9 Aug 1997 22:43:28 -0700
Several ways to do it, but Times Fiber (which used to be allied with Times Microwave [the former did 75-Ohm CATV stuff and the latter 50-Ohm cables]) uses a device (triaxial, I believe) which actuall
/archives//html/Towertalk/1997-08/msg00363.html (9,890 bytes)

35. [TowerTalk] Texas Tower experience (score: 1)
Author: aa0cy@robertwanderer.gardnerville.nv.us (ROBERT WANDERER)
Date: Thu, 3 Jul 1997 18:31:42 -0700
Interesting. What if your credit card's address is a PO Box! 73, Bob AA0CY@contesting.com my only real bitch with TT is that they will not ship to an address that is different from the credit card...
/archives//html/Towertalk/1997-07/msg00152.html (11,292 bytes)

36. [TowerTalk] Kudos and Other Thoughts (score: 1)
Author: aa0cy@robertwanderer.gardnerville.nv.us (ROBERT WANDERER)
Date: Thu, 3 Jul 1997 18:43:52 -0700
When our founding fathers were deciding what language the new US of A would use, the choices were between English and German. The latter lost by just one vote! Of course, English is principally desce
/archives//html/Towertalk/1997-07/msg00153.html (13,350 bytes)

37. [TowerTalk] Beware Trylon Towers (score: 1)
Author: aa0cy@robertwanderer.gardnerville.nv.us (ROBERT WANDERER)
Date: Thu, 3 Jul 1997 18:52:27 -0700
Move to Nevada, at least the coffee's ony 90 cents! Maybe they'll agree to send the necessary documents straight to the building inspector so you don't see them? I can't see what they're so worried a
/archives//html/Towertalk/1997-07/msg00154.html (10,027 bytes)

38. [TowerTalk] Show me the money! (score: 1)
Author: aa0cy@robertwanderer.gardnerville.nv.us (ROBERT WANDERER)
Date: Sat, 5 Jul 1997 10:31:00 -0700
Wouldn't that number depend on how old you were? 73, Bob AA0CY<@contesting.com> You're not deader, just harder to find from 1100 ft. After the sudden stop at the bottom of your fall, they just kind o
/archives//html/Towertalk/1997-07/msg00189.html (8,577 bytes)

39. [TowerTalk] Grounding your tower and (score: 1)
Author: aa0cy@robertwanderer.gardnerville.nv.us (ROBERT WANDERER)
Date: Tue, 8 Jul 1997 20:25:03 -0700
If you are trying to achieve a good lightning ground, this would be insufficient. Several 50-75 foot-long radials, preferably of at least 1.5"-wide solid copper strap (2/0 would do, but 4/0 is better
/archives//html/Towertalk/1997-07/msg00324.html (11,841 bytes)

40. [TowerTalk] "Electric Cement" (score: 1)
Author: aa0cy@robertwanderer.gardnerville.nv.us (ROBERT WANDERER)
Date: Wed, 9 Jul 1997 19:56:25 -0700
Sounds like a variation of "Radiant Heat" to me. 73, Bob AA0CY Hi All, Read the following in the May, 97 issue of R&D Magazine. " By injecting conductive materials into a concrete mix, researchers at
/archives//html/Towertalk/1997-07/msg00357.html (8,572 bytes)


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