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References: [ +from:co8dm@frcuba.co.cu: 77 ]

Total 77 documents matching your query.

21. [TowerTalk] Finding resonant frequency in tuned circuits with MFJ-259 ??? (score: 1)
Author: "Douglas Ruz \(CO8DM\)" <co8dm@frcuba.co.cu>
Date: Thu, 15 Oct 2015 13:43:49 -0400
Hi everybody !!!, I build a coax trap for 80m...12 turns of RG59 in 75mm diameter PVC. "A second method of determining the resonant frequency is by using a small three or four link coil to magnetical
/archives//html/Towertalk/2015-10/msg00121.html (14,460 bytes)

22. [TowerTalk] Tower base ??? (score: 1)
Author: "Douglas Ruz \(CO8DM\)" <co8dm@frcuba.co.cu>
Date: Mon, 9 Nov 2015 15:26:29 -0500
Hi TTers !!!, I finally obtain a "Real tower"...it is a mexican tower model AT-29 aka PT-29...it is very similar to the Rohn 25G. I have 5 sections...each section is 10 ft long. Unfortunately i can n
/archives//html/Towertalk/2015-11/msg00095.html (7,462 bytes)

23. [TowerTalk] Star guy mods??? (score: 1)
Author: "Douglas Ruz \(CO8DM\)" <co8dm@frcuba.co.cu>
Date: Tue, 10 Nov 2015 19:47:45 -0500
Hi, I would like add an star guy near the rotor base of my tower (near the top of the tower), unfortunately original star guy is not available and Galvanized "C" beams are not available too...i have
/archives//html/Towertalk/2015-11/msg00131.html (8,620 bytes)

24. Re: [TowerTalk] 6 meter angle arrival for DX (score: 1)
Author: "Douglas Ruz \(CO8DM\)" <co8dm@frcuba.co.cu>
Date: Sat, 14 Nov 2015 15:09:12 -0500
Bill and the group, I have been working on SIX meter during last 15 years and i have tried few antennas. My first antenna was an incredible Inv V about 10 ft high...i worked a lot of europeans during
/archives//html/Towertalk/2015-11/msg00153.html (10,960 bytes)

25. [TowerTalk] Climber harness ??? (score: 1)
Author: "Douglas Ruz \(CO8DM\)" <co8dm@frcuba.co.cu>
Date: Fri, 20 Nov 2015 09:58:12 -0500
Hi TTers, I am looking for a climber harness. I have an old linemanīs belt and as everybody know it is not safe for tower climbing. I need something used but in good shape and cheap...nothing fancy..
/archives//html/Towertalk/2015-11/msg00186.html (8,126 bytes)

26. Re: [TowerTalk] Climber harness ??? (score: 1)
Author: "Douglas Ruz \(CO8DM\)" <co8dm@frcuba.co.cu>
Date: Fri, 20 Nov 2015 14:02:02 -0500
Yes, I need a reliable harness...in that "category" are many harnesses. Cheaps and expensives !!!. If someone know about any website to find something reliable please, let me know. 73....Douglas, CO8
/archives//html/Towertalk/2015-11/msg00193.html (10,186 bytes)

27. [TowerTalk] how long could be the mast ??? (score: 1)
Author: "Douglas Ruz \(CO8DM\)" <co8dm@frcuba.co.cu>
Date: Wed, 2 Dec 2015 22:03:09 -0500
Hi, I am planning install an small tower for small yagis fixed to EU. I have only 2 tower sections (10 ft each) and a 18 ft mast (galvanized water pipe 1 1/4 or 1 1/2 " and 1/4 inch wall) for that pr
/archives//html/Towertalk/2015-12/msg00043.html (9,710 bytes)

28. [TowerTalk] how to install the tower base over a sloping roof??? (score: 1)
Author: "Douglas Ruz \(CO8DM\)" <co8dm@frcuba.co.cu>
Date: Fri, 11 Dec 2015 20:00:05 -0500
Hi, I would like install an small tower over the concrete roof, only 3 sections, 10 ft each. 2 set of guy wires (3 + 3). I install the 3 anchor points but when i try intall the tower base i found the
/archives//html/Towertalk/2015-12/msg00167.html (7,169 bytes)

29. Re: [TowerTalk] how to install the tower base over a sloping roof??? (score: 1)
Author: "Douglas Ruz \(CO8DM\)" <co8dm@frcuba.co.cu>
Date: Fri, 11 Dec 2015 22:42:16 -0500
Thanks Ron, Interesting idea using a solid hard wood shim a little larger than the base. Bolts diameters are 3/8". Bolts length are 2 1/2". are not ok 4 bolts with that dimension to fix a base to the
/archives//html/Towertalk/2015-12/msg00168.html (9,920 bytes)

30. Re: [TowerTalk] how to install the tower base over a sloping roof??? (score: 1)
Author: "Douglas Ruz \(CO8DM\)" <co8dm@frcuba.co.cu>
Date: Sat, 12 Dec 2015 09:16:53 -0500
GM all, Thanks for all replys and ideas. I forgot something...my base plate is not finished yet...i have an 1/4" steel plate and 3 short tubes that fix ok inside the first tower section. I will use 2
/archives//html/Towertalk/2015-12/msg00174.html (11,949 bytes)

31. [TowerTalk] Installing guy wires ??? (score: 1)
Author: "Douglas Ruz \(CO8DM\)" <co8dm@frcuba.co.cu>
Date: Sat, 12 Dec 2015 14:12:03 -0500
Hi, I have my tower base already installed. It is time to guy wires. I have 1/4" EHS guy wires and clamps (3 clamps per connection). How to install the guy wires without any tool ???...pulling only b
/archives//html/Towertalk/2015-12/msg00178.html (7,532 bytes)

32. [TowerTalk] Canīt add egg insulator... (score: 1)
Author: "Douglas Ruz \(CO8DM\)" <co8dm@frcuba.co.cu>
Date: Sun, 13 Dec 2015 09:47:27 -0500
Hi guys, I read about resonant guy wires. Unfortunately i canīt add egg insulator to build non resonant guy wires. I donīt have enought clamps or guy grip (preform) to install egg insulators. Maybe s
/archives//html/Towertalk/2015-12/msg00182.html (7,227 bytes)

33. Re: [TowerTalk] Canīt add egg insulator... (score: 1)
Author: "Douglas Ruz \(CO8DM\)" <co8dm@frcuba.co.cu>
Date: Sun, 13 Dec 2015 11:26:29 -0500
Glad to hear your experience David...by the way, 1/4" solid steel wire is available here...it is cheaper than 1/4" EHS galvanized wire and sometimes galvanized is not available...David, how do you fi
/archives//html/Towertalk/2015-12/msg00187.html (12,578 bytes)

34. Re: [TowerTalk] Canīt add egg insulator... (score: 1)
Author: "Douglas Ruz \(CO8DM\)" <co8dm@frcuba.co.cu>
Date: Sun, 13 Dec 2015 11:35:28 -0500
QSL John, Yes, i know Rohn suggest one set of guy cables up to 50 ft but in my case, i have few neigbour very close of my QTH and my anchors points are 60 % of total height...i know 70 % is the corre
/archives//html/Towertalk/2015-12/msg00188.html (9,793 bytes)

35. Re: [TowerTalk] Canīt add egg insulator... (score: 1)
Author: "Douglas Ruz \(CO8DM\)" <co8dm@frcuba.co.cu>
Date: Sun, 13 Dec 2015 11:49:51 -0500
OK, I understand 100%. Anyway, if someone here have experiences with solid steel wire...go ahead. I saw few mast installed with solid steel wire (1/4") here...they donīt use clamps, they just twist t
/archives//html/Towertalk/2015-12/msg00190.html (14,405 bytes)

36. Re: [TowerTalk] CanÂīt add egg insulator... (score: 1)
Author: "Douglas Ruz \(CO8DM\)" <co8dm@frcuba.co.cu>
Date: Sun, 13 Dec 2015 12:16:47 -0500
OK, Thanks Kevin, AC0H for your information. I canīt imagine what is a Vice grip...i will look for some image on internet later from my job. I will try without egg insulator...it is my first tower, l
/archives//html/Towertalk/2015-12/msg00197.html (11,118 bytes)

37. Re: [TowerTalk] Canīt add egg insulator... (score: 1)
Author: "Douglas Ruz \(CO8DM\)" <co8dm@frcuba.co.cu>
Date: Sun, 13 Dec 2015 22:11:28 -0500
Hi, Thanks Roger and Jeff for the information. I will seach on internet...maybe i can find a video describing this method. If i learn how to do it, i can use that method in the tower side and also to
/archives//html/Towertalk/2015-12/msg00218.html (12,715 bytes)

38. Re: [TowerTalk] Canīt add egg insulator... (score: 1)
Author: "Douglas Ruz \(CO8DM\)" <co8dm@frcuba.co.cu>
Date: Sun, 13 Dec 2015 22:31:09 -0500
Yes John, My guy anchors are at 60 % of the 2nd level of guy wires but at 120% of the 1st level of guy wires. That is why i am using 2 set of guy wires and also because the base is not on the ground
/archives//html/Towertalk/2015-12/msg00220.html (11,149 bytes)

39. Re: [TowerTalk] Can?t add egg insulator... (score: 1)
Author: "Douglas Ruz \(CO8DM\)" <co8dm@frcuba.co.cu>
Date: Mon, 14 Dec 2015 19:53:51 -0500
Hi, Thanks for all your suggestions. As Dacron and Kevlar ropes are not available here, i think i have an alternative non conductive strong material close of my town. Somebody know the SLING used to
/archives//html/Towertalk/2015-12/msg00241.html (10,828 bytes)

40. Re: [TowerTalk] Canīt add egg insulator... (score: 1)
Author: "Douglas Ruz \(CO8DM\)" <co8dm@frcuba.co.cu>
Date: Mon, 14 Dec 2015 20:24:59 -0500
I have PARACORD 550 black color...but it is 1/4" diameter and support up to 550 pounds only...i think single is to small...what about double ? 73....Douglas, CO8DM "No creo que haya alguna emoción má
/archives//html/Towertalk/2015-12/msg00244.html (9,698 bytes)


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