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Total 175 documents matching your query.

81. [TowerTalk] Warning: OFF TOPIC ref Owls vs. Divining rods (score: 1)
Author: Stephen Davis <sdavis@davisrf.com>
Date: Wed, 1 Sep 2010 16:11:55 -0400
I can supply owls that will also find well water. Statistically speaking, they work 101.54 % of the time. Biologically, they crap when over water. Engineering wise, they need calibrating every few ho
/archives//html/Towertalk/2010-09/msg00037.html (7,641 bytes)

82. Re: [TowerTalk] Davis Buryflex out of stock! - SOURCES (score: 1)
Author: Stephen Davis <sdavis@davisrf.com>
Date: Fri, 3 Sep 2010 13:10:04 -0400
Hi all, my apology for lateness in getting back on this. All dealers were polled and given that some may have short or longer lengths not reflected in their system (they need to go check), I am listi
/archives//html/Towertalk/2010-09/msg00115.html (11,532 bytes)

83. [TowerTalk] Which feedline to use + 9913F7 Resp. DAVIS RF CO. ^^^ (score: 1)
Author: Stephen Davis <sdavis@davisrf.com>
Date: Wed, 8 Sep 2010 15:25:35 -0400
Hi, I have to agree with Grant, we do a lot of cables for a Nycoil assembly house and never have we supplied hard line. The RF cable needs only to be low loss coax due to the short length vs. accepta
/archives//html/Towertalk/2010-09/msg00181.html (15,692 bytes)

84. [TowerTalk] L5PNM-RC connector instructions: DAVIS RF Co. Response (score: 1)
Author: Stephen Davis <sdavis@davisrf.com>
Date: Tue, 23 Nov 2010 00:05:15 -0500
Hi Tom, The Andrew web site is showing LDF5-50A Heliax as "obsolete" but it is out there and still for sale by us and others. Thus I think they may have eliminated the instructions for L5PNM-RC, the
/archives//html/Towertalk/2010-11/msg00359.html (9,396 bytes)

85. [TowerTalk] Using Belden 9913F7 Vs. LMR-400UF : An Alternative. Input by DAVIS RF Co (score: 1)
Author: Stephen Davis <sdavis@DavisRF.com>
Date: Wed, 22 Dec 2010 13:20:14 -0500
Hello TT'rs, There has fairly often been comments on TT ref. the down side of outdoor use of Times LMR-400 UF. The issue is short life. As a cable design engineer, I have an appreciation for this pro
/archives//html/Towertalk/2010-12/msg00341.html (8,982 bytes)

86. Re: [TowerTalk] Using Belden 9913F7 Vs. LMR-400UF : An Alternative.Input by DAVIS RF Co (score: 1)
Author: Stephen Davis <sdavis@DavisRF.com>
Date: Wed, 22 Dec 2010 13:53:33 -0500
Hi Chris, Tnx for the feedback. Yes, Bury-Flex (Tm of DAVIS RF Co.) has almost exactly the same low loss at HF as 9913F7 (which has the same loss as LMR-400UF, up thru 2.8 GHz, close thereafter). The
/archives//html/Towertalk/2010-12/msg00342.html (11,344 bytes)

87. [TowerTalk] WHOLE HOUSE SURGE/LIGHTNING PROTECTION -resp. DAVIS RF Co. (score: 1)
Author: Stephen Davis <sdavis@davisrf.com>
Date: Tue, 4 Jan 2011 11:45:38 -0500
Hello TT'rs, There have been some good technicals and experiences pointed out in this thread. I have sold PolyPhaser entrance panel devices to hams and businesses that have mucho dollars tied up in e
/archives//html/Towertalk/2011-01/msg00090.html (21,000 bytes)

88. [TowerTalk] WHOLE HOUSE SURGE/LIGHTNING PROTECTION - Resp DAVIS RF Co. (score: 1)
Author: Stephen Davis <sdavis@davisrf.com>
Date: Tue, 4 Jan 2011 15:43:19 -0500
Hi Chip, Ref your input, " I'm not sure how to interpret that remark, but just want to be sure that you or anyone else does not think that my ref. to the THHN tie between grounds was in and of itself
/archives//html/Towertalk/2011-01/msg00100.html (10,923 bytes)

89. Re: [TowerTalk] Force12 rivets (score: 1)
Author: Stephen Davis <sdavis@davisrf.com>
Date: Sat, 19 Feb 2011 18:28:39 -0500
What material are the rivets made of that are supplied by Force 12?? Steve , K1PEK _______________________________________________ _______________________________________________ TowerTalk mailing li
/archives//html/Towertalk/2011-02/msg00368.html (7,853 bytes)

90. Re: [TowerTalk] Rotator Loop Suggestions-Response DAVIS RF Co. (score: 1)
Author: Stephen Davis <sdavis@davisrf.com>
Date: Wed, 30 Mar 2011 13:41:57 -0400
Hi TT'rs, Any of the Times UltraFlex outer jackets use TPE (thermoplastic elastomer). TPE is not good in UV for much more than 6-9 years, depending on the ambient. That's too short for effective/cost
/archives//html/Towertalk/2011-03/msg00452.html (14,465 bytes)

91. [TowerTalk] Use of Ultra Flex. Also: Cabling Crank Ups-DAVIS RF Co. (score: 1)
Author: Stephen Davis <sdavis@davisrf.com>
Date: Wed, 30 Mar 2011 13:45:20 -0400
Hi, the following is a copy of a submission a few minutes ago which I made regarding rotor loops. This also includes info on the above subject: Hi TT'rs, Any of the Times UltraFlex outer jackets use
/archives//html/Towertalk/2011-03/msg00453.html (8,542 bytes)

92. [TowerTalk] guys vs. falling limbs? Resp. by DAVIS RF Co. (score: 1)
Author: Stephen Davis <sdavis@davisrf.com>
Date: Fri, 2 Dec 2011 10:36:19 -0500
Hi John, I can't answer all your questions but having had towers and verticals in a wooded area for over 30 years, I'd like to ask you a couple questions and then give you a gut observation. First, w
/archives//html/Towertalk/2011-12/msg00026.html (12,892 bytes)

93. [TowerTalk] SWR Problem Balun or,, RESPONSE fr DAVIS RF (score: 1)
Author: Stephen Davis <sdavis@davisrf.com>
Date: Wed, 21 Dec 2011 11:23:15 -0500
Hi Tony, I am a cable design engineer and also a ham for 50+ years. I designed Bury-Flex Tm, thank you for using it. It is an extremely popular coax used also by NASA, Lockheed Martin, etc. What you
/archives//html/Towertalk/2011-12/msg00504.html (11,437 bytes)

94. [TowerTalk] What rotor are you using or know of? (score: 1)
Author: Stephen Davis <sdavis@davisrf.com>
Date: Tue, 28 Feb 2012 14:30:17 -0500
Hi, Please help me gather some info. I am trying to determine the brand name and model # of all rotators that generally are in use so that I can work up some technical info. I will supply that info t
/archives//html/Towertalk/2012-02/msg00419.html (7,806 bytes)

95. [TowerTalk] Know a Mfr. Source of Alum Tubing ? (score: 1)
Author: Stephen Davis <sdavis@davisrf.com>
Date: Mon, 26 Mar 2012 15:49:08 -0400
Hi, I potentially have a large project and need around 575 lbs of varied OD, drawn, not extruded, alum. tubing. Seeking a mfr. vs. a distributor. Googling has not rendered much but for extruded. Tnx
/archives//html/Towertalk/2012-03/msg00380.html (6,790 bytes)

96. Re: [TowerTalk] Know a Mfr. Source of Alum Tubing ? (score: 1)
Author: Stephen Davis <sdavis@davisrf.com>
Date: Mon, 26 Mar 2012 17:20:10 -0400
Joe, thanks so much. We used to have a Ryerson in NH, not too far from me but they went out of biz and I thought that was it with them. And for some reason did not see them in my searches. Tnx again,
/archives//html/Towertalk/2012-03/msg00387.html (10,118 bytes)

97. Re: [TowerTalk] Know a Mfr. Source of Alum Tubing ? (score: 1)
Author: Stephen Davis <sdavis@davisrf.com>
Date: Mon, 26 Mar 2012 17:25:22 -0400
Grant & John, tnx very much. I will be pursuing all options you and others have mentioned. 73, Steve K1PEK _______________________________________________ ____________________________________________
/archives//html/Towertalk/2012-03/msg00388.html (10,474 bytes)

98. [TowerTalk] Gin Pole & Rope - DAVIS RF (score: 1)
Author: Stephen Davis <sdavis@davisrf.com>
Date: Tue, 27 Mar 2012 15:28:06 -0400
Hi Gerald, Can't help you ref. a HD gin pole for Rohn 55 but if you find it and need hoisting rope, we have some real good choices at decent pricing. Please contact me directly if I can help, tel: 97
/archives//html/Towertalk/2012-03/msg00398.html (9,051 bytes)

99. Re: [TowerTalk] When is a 100' tower only 97' tall? (score: 1)
Author: Stephen Davis <sdavis@davisrf.com>
Date: Wed, 8 Aug 2012 15:14:06 -0400
The real bummer about this false advertising is that it can cause at least a .02 dB loss in signal strength at HF, unless that extra 3 ft. would get you over the top of that metallic shield around yo
/archives//html/Towertalk/2012-08/msg00071.html (8,685 bytes)

100. [TowerTalk] Need source for wire. Response fr DAVIS RF (score: 1)
Author: Stephen Davis <sdavis@davisrf.com>
Date: Sun, 9 Sep 2012 22:26:01 -0400
Hi Roger, Gee, you know me pretty well and what we do. I will get you a quote on Monday. We do a lot of Teflon as well as almost all kinds of wire and cable. 73, Steve K1PEK Snr. RF Cable Design Engr
/archives//html/Towertalk/2012-09/msg00150.html (9,590 bytes)


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