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Total 13 documents matching your query.

1. [TowerTalk] RMC 1000 Remote cable (score: 1): Author: CubexCo@aol.com; Date: Thu, 3 Nov 2005 09:03:11 EST; Craig, The remote control circuits are all low current, and any typical rotator cable of #20 ga wire will work fine. I have the same tower and controller. Be sure that the 115v lift motor power sourc; /archives//html/Towertalk/2005-11/msg00092.html (7,613 bytes)
2. Re: [TowerTalk] RMC 1000 Remote cable (score: 1): Author: "Barry Merrill" <barry@mxg.com>; Date: Thu, 3 Nov 2005 12:17:52 -0600; If you havent bought the Remote control, unit, yet, don't. I recommend that you will never want to be away from the base of the tower when it goes up or down, so you can stop it when something goes w; /archives//html/Towertalk/2005-11/msg00110.html (8,708 bytes)
3. Re: [TowerTalk] RMC 1000 Remote cable (score: 1): Author: "Rick Karlquist" <richard@karlquist.com>; Date: Thu, 3 Nov 2005 11:13:42 -0800 (PST); I bought my tower from W6BH. They replaced all the crankups at the Table Mountain remote site for this reason. They needed to be cranked down in case of a wind storm, but it was not possible to drive; /archives//html/Towertalk/2005-11/msg00113.html (9,565 bytes)
4. Re: [TowerTalk] RMC 1000 Remote cable (score: 1): Author: "donhall161" <donhall161@sbcglobal.net>; Date: Thu, 3 Nov 2005 13:27:55 -0600; Rick, Try the archives. I recall someone doing this with an LM354. 73 Don K5AQ _______________________________________________ See: http://www.mscomputer.com for "Self Supporting Towers", "Wireless W; /archives//html/Towertalk/2005-11/msg00115.html (7,625 bytes)
5. Re: [TowerTalk] RMC 1000 Remote cable (score: 1): Author: Jim Lux <jimlux@earthlink.net>; Date: Thu, 03 Nov 2005 12:02:49 -0800; A rotary joint shouldn't be a big deal for HF. We use a variety of N connector rotary joints on the antenna range at JPL, and they are fairly wide band. I would imagine you could find one surplus. Ev; /archives//html/Towertalk/2005-11/msg00117.html (11,866 bytes)
6. Re: [TowerTalk] RMC 1000 Remote cable (score: 1): Author: "Rick Karlquist" <richard@karlquist.com>; Date: Thu, 3 Nov 2005 12:22:23 -0800 (PST); You would need at least a coax and rotor cable to go through this joint. My long range plan is to have a stack, requiring multiple coax and rotor cables. This would be quite non trivial to build a r; /archives//html/Towertalk/2005-11/msg00118.html (8,629 bytes)
7. Re: [TowerTalk] RMC 1000 Remote cable (score: 1): Author: Bob Nielsen <nielsen@oz.net>; Date: Thu, 3 Nov 2005 12:24:46 -0800; I used rotary joints for many years when I was working on antenna ranges, but don't recall ever seeing any coaxial models with which I would feel comfortable running amateur legal limit power levels.; /archives//html/Towertalk/2005-11/msg00119.html (8,436 bytes)
8. Re: [TowerTalk] RMC 1000 Remote cable (score: 1): Author: "Les Kalmus" <w2lk@earthlink.net>; Date: Thu, 3 Nov 2005 15:59:04 -0500; I have a UST 589HDX and been working on this problem and am planning the following: Build a remote relay box controlled by low voltage. Two wires, two relays, two diodes. In the shack, one DPDT switc; /archives//html/Towertalk/2005-11/msg00122.html (11,847 bytes)
9. Re: [TowerTalk] RMC 1000 Remote cable (score: 1): Author: Jim Lux <jimlux@earthlink.net>; Date: Thu, 03 Nov 2005 13:43:54 -0800; Depends on if you want it all on one big drum, in which case you DO need a multi channel rotary joint. The control cables are no problem.. that's an off the shelf unit, perhaps even from McMasterCarr; /archives//html/Towertalk/2005-11/msg00124.html (10,468 bytes)
10. Re: [TowerTalk] RMC 1000 Remote cable (score: 1): Author: Jim Lux <jimlux@earthlink.net>; Date: Thu, 03 Nov 2005 13:48:49 -0800; The one I have here, a 2 channel unit, is apparently rated at more than a kW. I don't know what the limiting component is (is it HV breakdown or thermal dissipation). I suspect that they aren't cheap; /archives//html/Towertalk/2005-11/msg00126.html (9,554 bytes)
11. Re: [TowerTalk] RMC 1000 Remote cable (score: 1): Author: "Joe Subich, W4TV" <k4ik@subich.com>; Date: Thu, 3 Nov 2005 19:04:39 -0500; If one wanted to avoid the rotary joints and "hose reels" it is possible to copy from what the broadcasters have been doing on TV news (microwave) vans for 30 years. They use a "nycoil" which is simp; /archives//html/Towertalk/2005-11/msg00132.html (9,393 bytes)
12. Re: [TowerTalk] RMC 1000 Remote cable (score: 1): Author: Bob Nielsen <nielsen@oz.net>; Date: Thu, 3 Nov 2005 20:24:42 -0800; I have mainly used single channel (N or SMA connector) types and recall that the N units would handle >1 kW peak, but only ~100 W or less avg, so it is probably thermal dissipation (this was several; /archives//html/Towertalk/2005-11/msg00140.html (11,532 bytes)
13. Re: [TowerTalk] RMC 1000 Remote cable (score: 1): Author: Ian White G/GM3SEK <gm3sek@ifwtech.co.uk>; Date: Fri, 4 Nov 2005 08:17:19 +0000; Practical experience of moonbouncers and others is that N connectors will typically handle 700-800W continuous at 432MHz, or 1.5kW if they're absolutely perfect. At lower frequencies, the reliable po; /archives//html/Towertalk/2005-11/msg00144.html (10,209 bytes)

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