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1. [TowerTalk] HDR-300A info (score: 1): Author: Daryll Webb <kg9nd2001@yahoo.com>; Date: Sat, 29 Jan 2011 07:59:02 -0800 (PST); Hello to all name hr Daryll kg9nd I have the hy gain hdr300a it has been setting for about one year. The potentiometer will not change readings on the dig box. Has anyone else had this happen the the; /archives//html/Towertalk/2011-01/msg00455.html (7,477 bytes)
2. Re: [TowerTalk] HDR-300A info (score: 1): Author: "Mike & Becca Krzystyniak" <k9mk@flash.net>; Date: Sat, 29 Jan 2011 10:53:08 -0600; Hi Daryll, I have a HRD-300 here and been using it steady for nearly 30 years. The rotor itself has been 100% reliable, but the 4 turn pot and the limit switches, a.k.a. the "micro switches" are pron; /archives//html/Towertalk/2011-01/msg00456.html (8,807 bytes)
3. Re: [TowerTalk] HDR-300A info (score: 1): Author: "Rroger (K8RI on TowerTalk)" <k8ri-on-towertalk@tm.net>; Date: Sat, 29 Jan 2011 15:59:08 -0500; Or if the brake is released on a windy day. This array http://www.rogerhalstead.com/ham_files/Tower29.htm would take the 300 past the limit switches unbelievably quick on a windy day. As I operate re; /archives//html/Towertalk/2011-01/msg00458.html (11,116 bytes)
4. Re: [TowerTalk] HDR-300A info (score: 1): Author: "James Wolf" <jbwolf@comcast.net>; Date: Sat, 29 Jan 2011 16:48:43 -0500; Daryll, Make sure to check the output of the regulators in the control unit. I have had the +5V regulator fail twice. The symptoms are the same as you are describing. Jim, KR9U Hello to all name hr D; /archives//html/Towertalk/2011-01/msg00461.html (8,208 bytes)
5. Re: [TowerTalk] HDR-300A info (score: 1): Author: Daryll Webb <kg9nd2001@yahoo.com>; Date: Sat, 29 Jan 2011 20:52:29 -0800 (PST); Thanks to all that replied.. Good info from all of you, some of the info I did not think about and I know it will make the job easier Daryll kg9nd. Daryll, Make sure to check the output of the regula; /archives//html/Towertalk/2011-01/msg00462.html (8,797 bytes)
6. Re: [TowerTalk] HDR-300A info (score: 1): Author: Doug <ve5ra@sasktel.net>; Date: Sat, 29 Jan 2011 16:25:12 -0600; IMO the over rotation system (limit switches, etc.) on this rotor has little benefit with the stock controller. I remove it from my HDR-300s. One benefit in removing the over rotation is that the ran; /archives//html/Towertalk/2011-01/msg00464.html (10,489 bytes)

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