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1. [TowerTalk] Re: Ground Rods & Ohms (score: 1): Author: ehayes@VNET.IBM.COM (ehayes@VNET.IBM.COM); Date: Wed, 16 Apr 97 10:37:06 CDT; A short time ago someone indicated they had measured the resistance on their ground rods. How does one do this? Can it be done with something as simple as a digital volt meter? What two points do you; /archives//html/Towertalk/1997-04/msg00476.html (8,438 bytes)
2. [TowerTalk] Re: Ground Rods & Ohms (score: 1): Author: seay@Alaska.NET (Del Seay); Date: Wed, 16 Apr 1997 08:07:26 -0700; I've seen a lot of questionable procedures that may give some idea of the ground resistance - but, the real method is with a "Megger". Check with a local telephone company man (not the guy that comes; /archives//html/Towertalk/1997-04/msg00478.html (9,461 bytes)
3. [TowerTalk] Re: Ground Rods & Ohms (score: 1): Author: broz@csn.net (John Brosnahan); Date: Wed, 16 Apr 1997 10:53:22 -0600 (MDT); Wayne, page 27-35 of the current editon of the ARRL Antenna Book shows how to build a very simple system to make the measurement. GL John W0UN -- FAQ on WWW: http://www.contesting.com/towertalkfaq.ht; /archives//html/Towertalk/1997-04/msg00481.html (9,105 bytes)
4. [TowerTalk] Re: Ground Rods & Ohms (score: 1): Author: jallen@vhfcom.com (John Allen); Date: Wed, 16 Apr 1997 13:49:54 +0000; I think that a digital ohm meter would work. One ham I know runs a wire (#10 or larger?) a few hundred feet to a brook where he gets a good ground. I works very well for him. I have 3 8 foot rods at; /archives//html/Towertalk/1997-04/msg00483.html (10,474 bytes)
5. [TowerTalk] Re: Ground Rods & Ohms (score: 1): Author: zettel@libby.org (Steve Zettel); Date: Wed, 16 Apr 1997 12:19:59 -0700; The accepted way of measuring the adequacy of a ground system is the "Fall of potential" method used by the commerical power industry. At the hydroelectric facility where I am an operator, it is the; /archives//html/Towertalk/1997-04/msg00485.html (9,447 bytes)
6. [TowerTalk] Re: Ground Rods & Ohms (score: 1): Author: edwoods@pbsac01.isp.PacBell.COM (Woods, Eric D (edwoods)); Date: Wed, 16 Apr 1997 11:19:00 -0700; Measuring the effectiveness of a ground rod involves finding out what its connectivity to a place called "Remote Earth" is. You do not measure ground values at DC. Too many stray amps of DC floating; /archives//html/Towertalk/1997-04/msg00487.html (10,406 bytes)
7. [TowerTalk] Re: Ground Rods & Ohms (score: 1): Author: G3SEK@ifwtech.demon.co.uk (Ian White, G3SEK); Date: Wed, 16 Apr 1997 19:18:06 +0100; The important thing is to make the measurement using AC, becasue electrolytic polarization effects make DC measurements impossible. (Re another posting, meggers come in two flavors: you need the lowr; /archives//html/Towertalk/1997-04/msg00489.html (10,249 bytes)
8. [TowerTalk] Re: Ground Rods & Ohms (score: 1): Author: k6ll@juno.com (David O Hachadorian); Date: Wed, 16 Apr 1997 16:24:16 EDT; How about this method? Erect a little vertical near the ground rod, say 20', resonant at about 11.7 mhz. Attach a very short piece of coax (< 1 ft) to the vertical/ground rod and measure the impedanc; /archives//html/Towertalk/1997-04/msg00492.html (9,814 bytes)
9. [TowerTalk] Re: Ground Rods & Ohms (score: 1): Author: jm@drsmesh.com (Joe E. Mesh); Date: Wed, 16 Apr 1997 22:16:08 -0400 (EDT); lightning - a direct hit on the tower - the following resulted: << Me too! It woke us up out of bed in a hurry! Loudest thing that I have ever heard! I have extensive grounding and a total of 20 eig; /archives//html/Towertalk/1997-04/msg00500.html (11,189 bytes)
10. [TowerTalk] Re: Ground Rods & Ohms (score: 1): Author: n3rr@erols.com (Bill Hider); Date: Thu, 17 Apr 1997 03:28:46 -0700; Hey, guys, "I think" and "I assume" are not warm and fuzzy words when talking about this subject. Follow the specifications. Do what you are supposed to do. But let's get some solid advise about what; /archives//html/Towertalk/1997-04/msg00502.html (12,732 bytes)
11. [TowerTalk] Re: Ground Rods & Ohms (score: 1): Author: n3rr@erols.com (Bill Hider); Date: Thu, 17 Apr 1997 03:42:27 -0700; This is exactly what some of us have been saying for a long time. If you have your lightning protection subsystem engineered properly, you WILL be protected. Most hams just don't understand what it t; /archives//html/Towertalk/1997-04/msg00503.html (12,798 bytes)
12. [TowerTalk] Re: Ground Rods & Ohms (score: 1): Author: jm@drsmesh.com (Joe E. Mesh); Date: Thu, 17 Apr 1997 01:14:40 -0400 (EDT); behind it? << It is a ring of copper around all objects you wish to protect. It could be around your shack or around your whole house. The size of your needs and of your wallet determine the size. E; /archives//html/Towertalk/1997-04/msg00508.html (10,707 bytes)
13. [TowerTalk] Re: Ground Rods & Ohms (score: 1): Author: k0wa@southwind.net (Lee Buller); Date: Thu, 17 Apr 1997 11:04:04 -0500; Dave... Marvelous Idea... Congrats! Lee k0wa@#southwind.net -- FAQ on WWW: http://www.contesting.com/towertalkfaq.html Submissions: towertalk@contesting.com Administrative requests: towertalk-REQUEST; /archives//html/Towertalk/1997-04/msg00519.html (9,715 bytes)
14. [TowerTalk] Re: Ground Rods & Ohms (score: 1): Author: K2JAS@worldnet.att.net (Roger L. Elowitz); Date: Thu, 17 Apr 1997 12:37:16 -0400; Hi Joe, Sorry to hear about your loss but, what was saved appears to be far more valuable. The other stuff seems to be "small potatoes" and mostly nuisance stuff. Here's my question: You wrote.... If; /archives//html/Towertalk/1997-04/msg00522.html (9,710 bytes)
15. [TowerTalk] Re: Ground Rods & Ohms (score: 1): Author: k4sb@avana.net (k4sb@avana.net); Date: Thu, 17 Apr 97 19:09:25 PDT; Sounds like a great idea, but how do you attach a 1' piece of coax to both the vertical and a ground rod 20' away. 73, Ed -- Name: Edward W. Sleight E-mail: k4sb@avana.net To: <towertalk@contesting.c; /archives//html/Towertalk/1997-04/msg00527.html (9,412 bytes)
16. [TowerTalk] Re: Ground Rods & Ohms (score: 1): Author: EEDWARDS@oppd.com (eedwards@oppd.com); Date: Thu, 17 Apr 1997 15:51:52 -0500; --Boundary-1078648-0-0 K2JAS asked: Didn't see a response to this one so here goes nuthin'... A exothermic "weld" or Cad-Weld (which is a brand name) is a very strong electrical connection made by pl; /archives//html/Towertalk/1997-04/msg00528.html (11,936 bytes)
17. [TowerTalk] Re: Ground Rods & Ohms (score: 1): Author: jcbrook@mindspring.com (Jamey Brookover); Date: Thu, 17 Apr 1997 23:24:45 -0400; There has been a wealth of information in this thread about the theory and practice of proper grounding procedures. Getting back to basics for a moment, how does a 6 foot tall person safely / properl; /archives//html/Towertalk/1997-04/msg00534.html (9,702 bytes)
18. [TowerTalk] Re: Ground Rods & Ohms (score: 1): Author: broz@csn.net (John Brosnahan); Date: Thu, 17 Apr 1997 22:13:34 -0600 (MDT); To Drive ground rods just use a Steel Tee Fence Post Driver. Or any 2 ft piece of pipe with a pipe cap on the end. Just slip it over the rod before you tilt it up and raise it up and pull it down fas; /archives//html/Towertalk/1997-04/msg00535.html (9,641 bytes)
19. [TowerTalk] Re: Ground Rods & Ohms (score: 1): Author: robrk@fyi.net (R. Morris); Date: Fri, 18 Apr 1997 00:22:10 -0400; Take a 4 foot chunk of 1" pipe and 8lb or larger hammer head to the welding store...You now have a "hollow handle hammer"... Slide the "handle" over the end of the ground rod, stand the rod in the 1; /archives//html/Towertalk/1997-04/msg00536.html (10,741 bytes)
20. [TowerTalk] Re: Ground Rods & Ohms (score: 1): Author: ab5tv@ix.netcom.com (Madison R. Jones); Date: Thu, 17 Apr 1997 23:44:39 -0500; ** Hurumphhh! Where's your sense of humor?! Getting the rod into the ground with the soil we have here in the Houston, Texas, area is REALLY EASY and requires no 16# hammer or stepladder either. What; /archives//html/Towertalk/1997-04/msg00538.html (10,656 bytes)

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