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

Total 77 documents matching your query.

61. Re: [TowerTalk] Need install a BRAKE to protect antenna and rotator... (score: 1)
Author: "Douglas Ruz / CO8DM" <co8dm@frcuba.co.cu>
Date: Sat, 2 Apr 2016 22:57:03 -0400
Hi, Thanks all of you for the ideas...very interesting. I will check the links and will see what is the best for me here. 73, Doug, CO8DM --Mensaje original-- De: TowerTalk [mailto:towertalk-bounces@
/archives//html/Towertalk/2016-04/msg00029.html (10,230 bytes)

62. Re: [TowerTalk] Need install a BRAKE to protect antenna and rotator (score: 1)
Author: "Douglas Ruz / CO8DM" <co8dm@frcuba.co.cu>
Date: Mon, 4 Apr 2016 22:19:32 -0400
Yes, you are right...The U bolt failure caused the slippage. It is an small TV antenna rotator. Yes the antenna is balanced. The antennas is big spiderbeam...a big cross 46 ft by 46 ft. Pin the mast
/archives//html/Towertalk/2016-04/msg00045.html (10,768 bytes)

63. [TowerTalk] Manual antenna switch... (score: 1)
Author: "Douglas Ruz / CO8DM" <co8dm@frcuba.co.cu>
Date: Thu, 14 Apr 2016 11:06:57 -0400
Hi, I have been Reading messages here about REMOTE antenna switch but my tower is about 15 ft from my shack, so, I need something simple.a Manual antenna switch. Some idea about a good/reliable Manua
/archives//html/Towertalk/2016-04/msg00190.html (7,700 bytes)

64. Re: [TowerTalk] Manual antenna switch... (score: 1)
Author: "Douglas Ruz / CO8DM" <co8dm@frcuba.co.cu>
Date: Thu, 14 Apr 2016 11:37:00 -0400
Hi Chuck, I have a separated 6m radioIt is an MFJ9406 with a Mirage Amp. I donīt worry about 6m. I am focus in contest bands for quick QSYing, etc. Maybe, maybe in the future play with 2 radios in co
/archives//html/Towertalk/2016-04/msg00193.html (9,042 bytes)

65. Re: [TowerTalk] Manual antenna switch... (score: 1)
Author: "Douglas Ruz / CO8DM" <co8dm@frcuba.co.cu>
Date: Thu, 14 Apr 2016 11:43:12 -0400
I know the Alpha Delta 4B and MFJ-1704both are 4 antenna switchnot sure about quality, etcthoughts? De: Chuck Dietz [mailto:w5prchuck@gmail.com] Enviado el: jueves, 14 de abril de 2016 11:29 Para: Do
/archives//html/Towertalk/2016-04/msg00194.html (8,747 bytes)

66. Re: [TowerTalk] Manual antenna switch... (score: 1)
Author: "Douglas Ruz / CO8DM" <co8dm@frcuba.co.cu>
Date: Thu, 14 Apr 2016 15:18:13 -0400
Hi all !!!, Thanks for quick replys and info. OK, I will go with the MFJ-1701...6-positions...Maybe in the future will add other antennas... Someone here know about an MFJ-1701 USED for sale ??? I ha
/archives//html/Towertalk/2016-04/msg00201.html (9,647 bytes)

67. [TowerTalk] Ameritron remote coax switch ? (score: 1)
Author: "Douglas Ruz / CO8DM" <co8dm@frcuba.co.cu>
Date: Sat, 16 Apr 2016 21:56:40 -0400
Hi, I have been thinking install a Remote coax switch. I read good opinion about RCS-8V few days ago. What about the RCS-4 model ?...It is cheaper for a 4 coax switch if compare with RCS-8V (5 coax s
/archives//html/Towertalk/2016-04/msg00203.html (6,789 bytes)

68. [TowerTalk] 6 x 2 unit... (score: 1)
Author: "Douglas Ruz / CO8DM" <co8dm@frcuba.co.cu>
Date: Sun, 17 Apr 2016 19:13:51 -0400
Hi, I am building a simple as possible SO2R configuration. I need some advices about a 6 x 2 antenna relay unit.I prefer a kit because it is cheaper. I think I need build also a Band decoder.any idea
/archives//html/Towertalk/2016-04/msg00211.html (6,608 bytes)

69. Re: [TowerTalk] 6 x 2 unit... (score: 1)
Author: "Douglas Ruz / CO8DM" <co8dm@frcuba.co.cu>
Date: Mon, 18 Apr 2016 10:13:00 -0400
I have been thinking about a Triplexer to share my Tribander with both radios...what Triplexers do you suggest ? --Mensaje original-- De: TowerTalk [mailto:towertalk-bounces@contesting.com] En nombre
/archives//html/Towertalk/2016-04/msg00228.html (10,006 bytes)

70. Re: [TowerTalk] 6 x 2 unit... (score: 1)
Author: "Douglas Ruz / CO8DM" <co8dm@frcuba.co.cu>
Date: Mon, 18 Apr 2016 12:09:21 -0400
Hi, I work Low Power...so, a 100 W Triplexer is OK for my SO2R project... I have separated 5B4AGN filters...and a multiband vertical (40 to 10m) few feet from the tower with the tribander and 2 elem
/archives//html/Towertalk/2016-04/msg00239.html (12,005 bytes)

71. Topband: Reverse feed system... (score: 1)
Author: "Douglas Ruz / CO8DM" <co8dm@frcuba.co.cu>
Date: Fri, 22 Apr 2016 22:03:33 -0400
Hi, I would like try the Reverse Feed System (N4KG antenna) on 80m. I have a 50 ft GROUNDED tower (isolated from the guy wires) and similar size of Rohn 25G.How much top loading I need If radials (4)
/archives//html/Towertalk/2016-04/msg00362.html (6,831 bytes)

72. [TowerTalk] wind load area??? (score: 1)
Author: "Douglas Ruz / CO8DM" <co8dm@frcuba.co.cu>
Date: Sat, 11 Jun 2016 13:54:33 -0400
Hi, I am trying to calculate wind load area of my HD spiderbeam.I am using 4 x 7m long spreaders. I am wondering if a Ham IV rotor can work (inside the tower) with my "Special HD spiderbeam". Ideas?,
/archives//html/Towertalk/2016-06/msg00145.html (6,597 bytes)

73. Re: [TowerTalk] Any thoughts on spider-beams? (score: 1)
Author: "Douglas Ruz / CO8DM" <co8dm@frcuba.co.cu>
Date: Mon, 18 Jul 2016 15:36:24 -0400
Hi, I built the classic spiderbeam version for 10, 15 and 20m using HD fiber poles available at spiderbeam website. Then I add 2 shortened elements for 40m with separated feed line...I am using coils
/archives//html/Towertalk/2016-07/msg00397.html (8,730 bytes)

74. [TowerTalk] HAM IV rotor and 2 antennas ??? (score: 1)
Author: "Douglas Ruz / CO8DM" <co8dm@frcuba.co.cu>
Date: Sat, 30 Jul 2016 15:39:01 -0400
Hi all, I have a HAM IV rotor here...I see in the manual the maximum wind load area is 15 sq ft installed inside the tower. I have a HD spiderbeam for 10, 15 and 20m...The spiderbeam wind load area i
/archives//html/Towertalk/2016-07/msg00577.html (7,641 bytes)

75. Topband: Phone segment for EU stations on 75 meters? (score: 1)
Author: "Douglas Ruz / CO8DM" <co8dm@frcuba.co.cu>
Date: Wed, 7 Sep 2016 20:11:46 -0400
Hi, What is the Phone segment for EU stations on 75 meters? I am tunning my 75/80m antenna for WAE SSB... it is very narrow (100 Khz), so, I want to know the most active segment during contest...Reso
/archives//html/Towertalk/2016-09/msg00178.html (7,353 bytes)

76. [TowerTalk] Fixing my 40m beam... (score: 1)
Author: "Douglas Ruz / CO8DM" <co8dm@frcuba.co.cu>
Date: Sun, 11 Sep 2016 23:27:13 -0400
Hi, I am fixing my 40m wire beam. It is a 2 shortened elements added to my HD spiderbeam. About 3 months ago my 40m driven element was hitted (or almost) by a lightning. The result: The wire of one a
/archives//html/Towertalk/2016-09/msg00240.html (7,866 bytes)

77. Re: [TowerTalk] 30/40m on 1 boom (score: 1)
Author: "Douglas Ruz / CO8DM" <co8dm@frcuba.co.cu>
Date: Fri, 7 Oct 2016 11:49:48 -0400
You can use Open Sleeve method...It is the same describe by Herbert. Feeding only the 40m driven element and with only one boom. The 30m driven element is not open in the center like classic driven e
/archives//html/Towertalk/2016-10/msg00072.html (8,474 bytes)

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