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Total 232 documents matching your query.

121. Re: [TowerTalk] looking for help on ATB34 (score: 1)
Author: "Tower (K8RI)" <tower@rogerhalstead.com>
Date: Fri, 18 Jun 2004 22:04:29 -0400
Too bad you aren't a little closer. I have a complete ATB34 out in the shop. The elements are numbered and have been removed from the boom but have not been disassembled. I'm not sure if I have a man
/archives//html/Towertalk/2004-06/msg00408.html (7,898 bytes)

122. Re: [TowerTalk] Do you tell them? (score: 1)
Author: "Tower (K8RI)" <tower@rogerhalstead.com>
Date: Sun, 20 Jun 2004 15:10:47 -0400
I just went ahead and followed procedure without making any announcement. The tower and antennas have now been here longer than all but two of the neighbors.The back of three lots adjoin our propert
/archives//html/Towertalk/2004-06/msg00434.html (10,754 bytes)

123. Re: [TowerTalk] RF exposure and my neighbor (score: 1)
Author: "Tower (K8RI)" <tower@rogerhalstead.com>
Date: Sun, 27 Jun 2004 23:54:09 -0400
There is a site http://n5xu.ae.utexas.edu/rfsafety/ that has fill in the blanks forms for RF levels. It's easy to use and allows "what if" calculations. Just do a set for each band at your highest po
/archives//html/Towertalk/2004-06/msg00609.html (14,172 bytes)

124. Re: [TowerTalk] Tower Insurance (score: 1)
Author: "Tower (K8RI)" <tower@rogerhalstead.com>
Date: Thu, 1 Jul 2004 16:12:08 -0400
She should contact her insurance agent to be sure. My tower (In Midland about 30 miles from West Branch) which is not attached to the house is automatically insured as an additional structure or out
/archives//html/Towertalk/2004-07/msg00017.html (8,467 bytes)

125. Re: [TowerTalk] What Welder Makes Good Exothermic Bonds? (score: 1)
Author: "Tower (K8RI)" <tower@rogerhalstead.com>
Date: Sat, 3 Jul 2004 12:58:13 -0400
It is difficult to weld metals of different melting points and conductivity and end up with a good weld quality. Hence it is usually done using an exothermic process instead of regular welding. If y
/archives//html/Towertalk/2004-07/msg00081.html (13,933 bytes)

126. Re: [TowerTalk] What Welder Makes Good Exothermic Bonds? (score: 1)
Author: "Tower (K8RI)" <tower@rogerhalstead.com>
Date: Sat, 3 Jul 2004 15:53:49 -0400
just provided, I now have some where around 33. I lost track. <:-)) Purchasing them by the carton they are roughtly $10 each. There are 12 per carton and of course the price break comes at 13. IF th
/archives//html/Towertalk/2004-07/msg00085.html (13,513 bytes)

127. Re: [TowerTalk] What Welder Makes Good Exothermic Bonds? (score: 1)
Author: "Tower (K8RI)" <tower@rogerhalstead.com>
Date: Sat, 3 Jul 2004 21:21:49 -0400
Unfortunately for me the shipping would be a killer. There is this Hazmat thing about to contents. <:-)) Besides I have a full carton of the things out in the shop. I was paying about $8 plus change,
/archives//html/Towertalk/2004-07/msg00090.html (18,563 bytes)

128. Re: [TowerTalk] RCS-4 Coax Switch (score: 1)
Author: "Tower (K8RI)" <tower@rogerhalstead.com>
Date: Sun, 4 Jul 2004 16:36:59 -0400
I set mine up to ground everything except the antenna in use. All antennas have baluns which puts them at DC ground potential as far as static build up as well. There is a polyphaser right at the fee
/archives//html/Towertalk/2004-07/msg00109.html (8,753 bytes)

129. Re: [TowerTalk] RCS-4 Coax Switch (score: 1)
Author: "Tower (K8RI)" <tower@rogerhalstead.com>
Date: Tue, 6 Jul 2004 14:50:14 -0400
My tower has been taking about three direct hits a year on average, although it's already had three this year. No equipment damage this year. A while back I did lose one computer, or a good portion o
/archives//html/Towertalk/2004-07/msg00201.html (10,444 bytes)

130. Re: [TowerTalk] Lighting (score: 1)
Author: "Tower (K8RI)" <tower@rogerhalstead.com>
Date: Wed, 7 Jul 2004 02:38:50 -0400
50 neared The strikes may decrease, but I doubt it's due to the grounded towers. Strikes ocurr due to a potential difference between the cloud (source) and ground. As a storm moves localized and mov
/archives//html/Towertalk/2004-07/msg00235.html (13,167 bytes)

131. Re: [TowerTalk] Archeological find in my Anchor hole (score: 1)
Author: "Tower (K8RI)" <tower@rogerhalstead.com>
Date: Wed, 7 Jul 2004 02:47:09 -0400
It depends on where you live. You can pick up a VFR aeronautical "sectional" chart for your area. They have the Isogonic lines that show a constant magnetic deviation. There is a line down through "
/archives//html/Towertalk/2004-07/msg00236.html (13,742 bytes)

132. Re: [TowerTalk] Broken Rohn 25G Base Section (score: 1)
Author: "Tower (K8RI)" <tower@rogerhalstead.com>
Date: Wed, 7 Jul 2004 15:31:00 -0400
WARNING: Welding on tower legs is welding on galvanized material. This gives off a very poisonous gas. Make sure the wind blows the smoke away from whoever does the welding. I'd do it the way they do
/archives//html/Towertalk/2004-07/msg00280.html (12,453 bytes)

133. Re: [TowerTalk] Broken Rohn 25G Base Section (score: 1)
Author: "Tower (K8RI)" <tower@rogerhalstead.com>
Date: Thu, 8 Jul 2004 11:35:20 -0400
<snip>. they're thick enough to weld too without putting a hole in the material. You can't Cadweld them either. I have welded up H-frames out of thin wall conduit and regularly weld on 16 gauge sheet
/archives//html/Towertalk/2004-07/msg00305.html (8,965 bytes)

134. Re: [TowerTalk] Cubic meter of concrete (score: 1)
Author: "Tower (K8RI)" <tower@rogerhalstead.com>
Date: Sat, 10 Jul 2004 14:49:12 -0400
For those interested, rounding to 39 (it's a bit more than that) inches per meter gives 1.27 cubic yards in a cubic meter. At 4,000# per cubic yard multiplied by 1.27 gives over 5,000# I believe an e
/archives//html/Towertalk/2004-07/msg00362.html (9,448 bytes)

135. Re: [TowerTalk] Prop Pitch Motors (score: 1)
Author: "Tower (K8RI)" <tower@rogerhalstead.com>
Date: Tue, 13 Jul 2004 19:24:17 -0400
Would one of the little test sets like those used by the telephone company work? They put a signal on a wire or wires to detect on the other end. It still means some one on each end of the cables. 73
/archives//html/Towertalk/2004-07/msg00416.html (7,651 bytes)

136. Re: Fw: [TowerTalk] Prop Pitch Motors (score: 1)
Author: "Tower (K8RI)" <tower@rogerhalstead.com>
Date: Wed, 14 Jul 2004 02:37:38 -0400
Thing is, when you have 12 rotors with 12 different cables at different locations finding the right cable can result in a lot of expended effort<:-)) Roger Halstead (K8RI, EN73 & ARRL Life Member) N8
/archives//html/Towertalk/2004-07/msg00419.html (9,805 bytes)

137. Re: [TowerTalk] What Welder Makes Good Exothermic Bonds? (score: 1)
Author: "Tower (K8RI)" <tower@rogerhalstead.com>
Date: Fri, 16 Jul 2004 23:44:28 -0400
I'm not sure how they get around the Hazmat conditions. "One shots (TM)" come complete. There is no deactivation or activation. The material itself is considered hazadarous. It'd burn a hole in a con
/archives//html/Towertalk/2004-07/msg00468.html (27,529 bytes)

138. Re: [TowerTalk] What Welder Makes Good Exothermic Bonds? (score: 1)
Author: "Tower (K8RI)" <tower@rogerhalstead.com>
Date: Sat, 17 Jul 2004 10:25:59 -0400
After this many years and the number of those things I've gone through, I'm not very concerned. Roger Halstead (K8RI, EN73 & ARRL Life Member) N833R, World's Oldest Debonair (S# CD-2) www.rogerhalst
/archives//html/Towertalk/2004-07/msg00475.html (32,244 bytes)

139. Re: [TowerTalk] Update to Revocation of Tower Permit (score: 1)
Author: "Tower (K8RI)" <tower@rogerhalstead.com>
Date: Tue, 20 Jul 2004 01:54:21 -0400
It depends on the individual. Most, with a little diplomacy used to gease the skids will probably forget within a few months, but once in a while you run into a rabid fanatic who takes their initial
/archives//html/Towertalk/2004-07/msg00521.html (9,567 bytes)

140. Re: [TowerTalk] Replying to the list...AGAIN! (score: 1)
Author: "Tower (K8RI)" <tower@rogerhalstead.com>
Date: Tue, 20 Jul 2004 21:09:45 -0400
IMO, "Anything" of general interest, or a general interest topic should go to the group. Although this is not a technical thread it is of general interest. Sure there's a lot in which I have no inter
/archives//html/Towertalk/2004-07/msg00552.html (9,344 bytes)


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