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Total 107 documents matching your query.

1. [TowerTalk] 2 inch Mast versus schedule 80 pipe? (score: 1)
Author: GARY HUBER <glhuber@msn.com>
Date: Mon, 19 Aug 2013 20:58:59 -0500
Environment: 50 foot AGL Rohn 45G flat top bracketed @ 23 feet, T2X TailTwister on Rohn rotor shelf, Rohn 2 inch bearing, Hy-Gain TH-7 1 2 feet above bearing, with boom support (3 feet above boom). I
/archives//html/Towertalk/2013-08/msg00482.html (8,078 bytes)

2. Re: [TowerTalk] 2 inch Mast versus schedule 80 pipe? (score: 1)
Author: GARY HUBER <glhuber@msn.com>
Date: Tue, 20 Aug 2013 14:17:05 -0500
Thanks to all who replied. I just solved the problem with a Rohn 2 inch heavy wall galvanized inside and out M200H tube from Hill Radio. 73 ES DX, Gary -- AB9M Environment: 50 foot AGL Rohn 45G flat
/archives//html/Towertalk/2013-08/msg00499.html (9,514 bytes)

3. Re: [TowerTalk] Penetrox/Noalox vs. Anti-seize compound (score: 1)
Author: GARY HUBER <glhuber@msn.com>
Date: Tue, 20 Aug 2013 20:32:42 -0500
His reasoning was that enough bare aluminum-to-aluminum surface area would remain that the use of the Permatex was very unlikely to negatively effect antenna performance. Anyone have an opinion on th
/archives//html/Towertalk/2013-08/msg00512.html (9,300 bytes)

4. Re: [TowerTalk] Thoughts on Tower lifting cable broken strands (score: 1)
Author: GARY HUBER <glhuber@msn.com>
Date: Thu, 22 Aug 2013 10:53:00 -0500
Sell for scrap or replace the cable (with same or better cable and component ratings). Just look at the worse case scenario if the cable breaks; loss and liability, if the cost of replacing the cable
/archives//html/Towertalk/2013-08/msg00546.html (10,483 bytes)

5. Re: [TowerTalk] Counterpoise / raised ground radial adjustment method (score: 1)
Author: GARY HUBER <glhuber@msn.com>
Date: Tue, 27 Aug 2013 11:01:03 -0500
If on or in the ground 24 or more thirty foot plus radials will make the HV-2 work really well. Another thing to consider is four 12 foot umbrella wires for top loading with weed trimmer line to exte
/archives//html/Towertalk/2013-08/msg00599.html (10,008 bytes)

6. Re: [TowerTalk] Active Owl Aerial Guard (score: 1)
Author: GARY HUBER <glhuber@msn.com>
Date: Thu, 5 Sep 2013 22:52:17 -0500
I have the real thing operating from my beam.... http://en.wikipedia.org/wiki/Great_Horned_Owl 73 ES DX, Gary -- AB9M http://www.bitsandpieces.com/product.asp?pn=46914&SID=0939395&EID=0939395&lm=bits
/archives//html/Towertalk/2013-09/msg00091.html (7,812 bytes)

7. [TowerTalk] Rotor Loop - Rohn 45-G flat top section (score: 1)
Author: GARY HUBER <glhuber@msn.com>
Date: Wed, 18 Sep 2013 09:28:21 -0500
As I prepare to replace my thirty year old, tapered top, 50 foot Rohn 45-G with a new 50 foot flat top, Im looking for suggestions on the rotor loop configuration; A TH-7 with BN-4000, mounted on Roh
/archives//html/Towertalk/2013-09/msg00232.html (8,053 bytes)

8. Re: [TowerTalk] Unknown antenna (score: 1)
Author: GARY HUBER <glhuber@msn.com>
Date: Tue, 24 Sep 2013 13:25:11 -0500
Having found a TH-4 back in 1975, I bought it and worked a lot of DX with it until I replaced it with a new TH-7 right after they came out. The TH-4 did have a close spaced reflector without traps an
/archives//html/Towertalk/2013-09/msg00293.html (10,468 bytes)

9. Re: [TowerTalk] [RFI] Short wideband noise bursts 3-100+ mhz (score: 1)
Author: GARY HUBER <glhuber@msn.com>
Date: Tue, 24 Sep 2013 22:59:03 -0500
Electric fence in the country / aquarium water heater in the city or suburb. Sometimes heat tape. 73 ES DX, Gary -- AB9M I have a mobile RFI setup and monitor pole noise from 300-520 Mhz in AM on a Y
/archives//html/Towertalk/2013-09/msg00295.html (8,506 bytes)

10. [TowerTalk] Rohn 45-g flat top section rotor loop protection (score: 1)
Author: GARY HUBER <glhuber@msn.com>
Date: Sat, 28 Sep 2013 13:53:37 -0500
Has anyone in this group tried three quarter inch type NM non-metallic liquid-tight conduit to protect the RG-213 rotor loop from abrasion when the RG-213 is tied to one leg of the tower and then wou
/archives//html/Towertalk/2013-09/msg00309.html (7,145 bytes)

11. Re: [TowerTalk] Shielded shack (score: 1)
Author: GARY HUBER <glhuber@msn.com>
Date: Sat, 28 Sep 2013 14:16:08 -0500
Foil back sheet rock is also an option. I know it adds to the attenuation of UHF, 800 MHz, Wi-Fi, cell-phone ingress / egress, so it should work too. 73 ES DX, Gary -- AB9M Aluminum foil backed foam
/archives//html/Towertalk/2013-09/msg00313.html (8,949 bytes)

12. Re: [TowerTalk] Interesting development (score: 1)
Author: GARY HUBER <glhuber@msn.com>
Date: Mon, 30 Sep 2013 20:37:16 -0500
We used to do something similar with commercial radios by putting a gain antenna outside and high use low loss transmission line to basement and interior spaces of large buildings where quarter wave
/archives//html/Towertalk/2013-09/msg00337.html (10,545 bytes)

13. Re: [TowerTalk] heavily rusted anchor bolt/nut (score: 1)
Author: GARY HUBER <glhuber@msn.com>
Date: Mon, 7 Oct 2013 22:10:13 -0500
I've always had better luck using a center punch (and hammer) on the nut flat (backed with something heavy). Heat and cool cycles help along with the BFW. 73 ES DX, Gary -- AB9M _____________________
/archives//html/Towertalk/2013-10/msg00103.html (8,686 bytes)

14. Re: [TowerTalk] Connecting Tower to Ground Rod (score: 1)
Author: GARY HUBER <glhuber@msn.com>
Date: Wed, 9 Oct 2013 07:54:04 -0500
Aluminum ground lug on the tower leg bolt, #4 or #6 solid copper to the ground rod and a #4 or #6 to the MDP or system ground IAW with NEC. All grounds must be bonded together. 73 ES DX, Gary -- AB9M
/archives//html/Towertalk/2013-10/msg00117.html (7,618 bytes)

15. Re: [TowerTalk] Connecting Tower to Ground Rod (score: 1)
Author: GARY HUBER <glhuber@msn.com>
Date: Wed, 9 Oct 2013 22:11:08 -0500
National Electrical Code 250.94 will apply to the Rohn Tower and grounding. A minimum of #6 copper is required for bonding the tower and ground to the electrical service ground. With the galvanized t
/archives//html/Towertalk/2013-10/msg00132.html (9,761 bytes)

16. Re: [TowerTalk] Connecting Tower to Ground Rod (score: 1)
Author: GARY HUBER <glhuber@msn.com>
Date: Thu, 10 Oct 2013 14:08:06 -0500
When I was working in telecommunications for a major insurance group, we had both ground rings around multiple building complexes, air terminals tied to building steel at 197 feet AGL, ground busses
/archives//html/Towertalk/2013-10/msg00147.html (10,469 bytes)

17. Re: [TowerTalk] Phillystran Top Guys (score: 1)
Author: GARY HUBER <glhuber@msn.com>
Date: Fri, 11 Oct 2013 07:05:58 -0500
Regarding the ROHN manual comments and the original post. The 45-G bottom receiving female pieces for bolting the sections together had significant drips or blobs of galvanizing which prevented the s
/archives//html/Towertalk/2013-10/msg00154.html (8,385 bytes)

18. Re: [TowerTalk] Rotor Loop at the Top of a Crankup? (score: 1)
Author: GARY HUBER <glhuber@msn.com>
Date: Mon, 21 Oct 2013 20:15:49 -0500
On a Rohn 45-G flat top I used six feet of Non-Metallic Conduit which had an internal diameter large enough to pass a PL-259 and ten feet of RG-213/U. The guys on the tower dressed the cable down the
/archives//html/Towertalk/2013-10/msg00272.html (9,097 bytes)

19. Re: [TowerTalk] Tower and antenna decisions (score: 1)
Author: GARY HUBER <glhuber@msn.com>
Date: Thu, 24 Oct 2013 08:22:11 -0500
I have recently replaced my 30 year old TH-7 on 50 feet of Rohn 45G with a new TH-7 on new Rohn 45G. The boom length and maximum element of the TH-11 and the TH-7 are the same; these are big antennas
/archives//html/Towertalk/2013-10/msg00321.html (8,992 bytes)

20. Re: [TowerTalk] Tower and antenna decisions (score: 1)
Author: GARY HUBER <glhuber@msn.com>
Date: Fri, 25 Oct 2013 12:00:31 -0500
The TH-11 appears to me to be a WARC enabled TH-7.... the log cell is just 20, 17, 15, 12, and 10 meter driven elements fed in log periodic fashion and with yagi type reflectors and directors on a 24
/archives//html/Towertalk/2013-10/msg00366.html (14,136 bytes)


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