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121. [TowerTalk] Climbing the Antenna Mast (score: 1)
Author: "Mark Robinson" <markrob@mindspring.com>
Date: Sat, 12 Sep 2009 14:39:59 -0500
I am trying to find a source of antenna masts that can be climbed. I know I have seen this before but my googling has be unsuccessful, so any pointers would be welcome. Bolt on steps would be another
/archives//html/Towertalk/2009-09/msg00169.html (7,364 bytes)

122. Re: [TowerTalk] 45G Wind Load (score: 1)
Author: "Mark Robinson" <markrob@mindspring.com>
Date: Sat, 19 Sep 2009 21:03:47 -0500
I am in the same position as you and I am starting to think Rohn 55 as I want to be able to handle 100mph. Another option is to bolt 2 tower sections together but I haven't seen any data for this app
/archives//html/Towertalk/2009-09/msg00331.html (10,377 bytes)

123. Re: [TowerTalk] something new today (score: 1)
Author: "Mark Robinson" <markrob@mindspring.com>
Date: Sun, 11 Oct 2009 19:59:21 -0500
Did they supply a trailer because I know that are very very heavy. The have to be so that they don't tip over when extended. Looks like Hertz have the S-125 in my area. Mark N1UK ____________________
/archives//html/Towertalk/2009-10/msg00114.html (10,337 bytes)

124. [TowerTalk] CommScope WBC400 (score: 1)
Author: "Mark Robinson" <markrob@mindspring.com>
Date: Fri, 5 Feb 2010 13:38:01 -0500
I am looking at buying a CommScope WBC400 Coax Cable Bulk Reel of 1,000 Feet. I would be using this coax to run out to my 40m 4 Square in my back field about 250 feet away. I am also planning on runn
/archives//html/Towertalk/2010-02/msg00160.html (8,945 bytes)

125. Re: [TowerTalk] IN SEARCH OF PVC Tubing to Bury... (score: 1)
Author: "Mark Robinson" <markrob@mindspring.com>
Date: Thu, 4 Mar 2010 19:01:42 -0500
What about the black corrugated drainage pipe. It comes in 100 foot lengths or more. My buddy says that the ribs help reduce the contact area of the cable and make it easier to pull wire through corr
/archives//html/Towertalk/2010-03/msg00044.html (9,423 bytes)

126. Re: [TowerTalk] Rotor cable protection (score: 1)
Author: "Mark Robinson" <markrob@mindspring.com>
Date: Sun, 14 Mar 2010 16:19:59 -0400
That is exactly what I did. I found a good source of MOV's for around 50 cents each and stuck some 0.1uF 250V caps across them for RF decoupling. In fact I built it all into my antenna grounding box.
/archives//html/Towertalk/2010-03/msg00227.html (10,405 bytes)

127. Re: [TowerTalk] Cutting a section of tower (score: 1)
Author: "Mark Robinson" <markrob@mindspring.com>
Date: Thu, 1 Apr 2010 23:38:52 -0400
You could use a hacksaw or maybe a Sawsall. I have used an angle grinder with a metal cutting blade before Mark N1UK _______________________________________________ __________________________________
/archives//html/Towertalk/2010-04/msg00040.html (9,177 bytes)

128. Re: [TowerTalk] Cutting a section of tower (score: 1)
Author: "Mark Robinson" <markrob@mindspring.com>
Date: Thu, 1 Apr 2010 23:40:07 -0400
I should have said " an angle grinder with a metal cutting disk" Mark N1UK _______________________________________________ _______________________________________________ TowerTalk mailing list Tower
/archives//html/Towertalk/2010-04/msg00041.html (10,046 bytes)

129. [TowerTalk] Rohn 45 Foundation Question (score: 1)
Author: "Mark Robinson" <markrob@mindspring.com>
Date: Sat, 3 Apr 2010 20:47:01 -0400
I am getting ready to install my Rohn 45 tower. I am planning a 100 foot tower with a wall bracket at 18 feet and 3 sets of guy wires. I am going to bury a standard 10 foot section in concrete. I hav
/archives//html/Towertalk/2010-04/msg00125.html (7,252 bytes)

130. [TowerTalk] Rohn 45 Guy Anchor Positions (score: 1)
Author: "Mark Robinson" <markrob@mindspring.com>
Date: Mon, 5 Apr 2010 22:51:55 -0400
I am getting ready to install my Rohn 45 tower. I am planning a 100 foot tower with a wall bracket at 18 feet and 3 sets of guy wires.Some of the guy anchors are going to be about 100 feet out from t
/archives//html/Towertalk/2010-04/msg00179.html (7,074 bytes)

131. [TowerTalk] Rohn 45 Anchor Foundation (score: 1)
Author: "Mark Robinson" <markrob@mindspring.com>
Date: Mon, 5 Apr 2010 23:36:04 -0400
Can someone point me to where I can find the dimensions for the Rohn 45 guy anchor base. I cannot find it in the Rohn Catalog that I have on my pc. The guying diagrams call out a 4B block for a 100 f
/archives//html/Towertalk/2010-04/msg00180.html (7,157 bytes)

132. Re: [TowerTalk] dxengineering U-bolts froze?? (score: 1)
Author: "Mark Robinson" <markrob@mindspring.com>
Date: Tue, 13 Apr 2010 12:05:52 -0400
Tell me about it.....I have an oxygen sensor galled into an exhaust manifold despite the application of the special lubricant for the job. Mark N1UK _______________________________________________ __
/archives//html/Towertalk/2010-04/msg00358.html (10,549 bytes)

133. [TowerTalk] Gin Pole Rope (score: 1)
Author: "Mark Robinson" <markrob@mindspring.com>
Date: Wed, 14 Apr 2010 21:13:52 -0400
I am just about to start putting up my Rohn 45 tower. What rope do people normally use with a gin pole. I like the look of this 3/8 inch nylon rope. Is this a good choice? http://www.onlineropestore.
/archives//html/Towertalk/2010-04/msg00459.html (10,053 bytes)

134. Re: [TowerTalk] Gin Pole Rope (score: 1)
Author: "Mark Robinson" <markrob@mindspring.com>
Date: Wed, 14 Apr 2010 21:44:44 -0400
Isn't stretch a good thing here.....the stuff that doesn't stretch is this stuff..is this better http://www.onlineropestore.com/index.php?main_page=product_info&cPath=19_23&products_id=367 Mark _____
/archives//html/Towertalk/2010-04/msg00462.html (11,787 bytes)

135. Re: [TowerTalk] Gin Pole Rope (score: 1)
Author: "Mark Robinson" <markrob@mindspring.com>
Date: Wed, 14 Apr 2010 21:48:40 -0400
I see that tree guys use large diameter rope. It is easier on the hands and stays straight and doesn't tangle easily. Maybe this is a better choice then http://www.onlineropestore.com/index.php?main_
/archives//html/Towertalk/2010-04/msg00463.html (13,923 bytes)

136. [TowerTalk] Measuring Guy Positions (score: 1)
Author: "Mark Robinson" <markrob@mindspring.com>
Date: Thu, 15 Apr 2010 13:15:57 -0400
I have my new 100 foot Rohn 45 set to go up on the gable end of the house. I have a wall bracket at 18 feet tied into the second storey ceiling joists. I can remove this wall bracket later if it prov
/archives//html/Towertalk/2010-04/msg00478.html (8,601 bytes)

137. Re: [TowerTalk] Measuring Guy Positions (score: 1)
Author: "Mark Robinson" <markrob@mindspring.com>
Date: Thu, 15 Apr 2010 18:50:51 -0400
Yes good idea Steve. I can run a line from the tower leg to the guy anchor point that I have measured already and as I move my head I can see if it looks right. When I put my 25G tower up, I had the
/archives//html/Towertalk/2010-04/msg00489.html (11,723 bytes)

138. Re: [TowerTalk] Tower Lighting (score: 1)
Author: "Mark Robinson" <markrob@mindspring.com>
Date: Wed, 21 Apr 2010 16:13:54 -0400
You could look at zero crossing detecting solid state relays or alternatively add a series current limiting resistor which is shorted out by a second relay after a fixed time interval. Maybe try a be
/archives//html/Towertalk/2010-04/msg00634.html (10,121 bytes)

139. Re: [TowerTalk] Tower Lighting (score: 1)
Author: "Mark Robinson" <markrob@mindspring.com>
Date: Wed, 21 Apr 2010 16:15:30 -0400
Look at this relay 100 amp mercury wetted relay contacts http://www.mercuryrelays.com/merc100amp.htm _______________________________________________ _______________________________________________ To
/archives//html/Towertalk/2010-04/msg00635.html (9,725 bytes)

140. Re: [TowerTalk] Tower Lighting (score: 1)
Author: "Mark Robinson" <markrob@mindspring.com>
Date: Wed, 21 Apr 2010 16:21:49 -0400
the 35 amp mercury wetted relay looks like a good bet to me..those contacts should hold up for a very long time.....end of problem http://www.mercuryrelays.com/shoppingcart/agora.cgi?&product=35amp _
/archives//html/Towertalk/2010-04/msg00636.html (10,868 bytes)

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