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References: [ +from:rodman@buffalo.edu: 16 ]

Total 16 documents matching your query.

1. [TowerTalk] Remote control HF station: any experience (score: 1)
Author: "D. Rodman, MD" <rodman@buffalo.edu>
Date: Sun, 28 Sep 2003 13:28:36 -0400 (EDT)
Does anyone there have experience with internet access and remote control of any HF equipment? Please contact me, personal e-mail: rodman@buffalo.edu and many thanks. David J. Rodman, MD Assistant Cl
/archives//html/Towertalk/2003-09/msg00644.html (7,416 bytes)

2. [TowerTalk] 4 Square Dipole array: VSWR issue, has anyone modeledit? (score: 1)
Author: "D. Rodman, MD" <rodman@buffalo.edu>
Date: Sat, 11 Oct 2003 21:37:34 -0400 (EDT)
I put up a single dipole for a proposed 4 Square dipole array. Top about 135' and 3-4 ft away from top of tower and bottom is about 40' I did not feed the RG8X towards tower, but let it dangle and go
/archives//html/Towertalk/2003-10/msg00252.html (7,737 bytes)

3. [TowerTalk] RE: Bang for the buck? (score: 1)
Author: David J Rodman MD <rodman@buffalo.edu>
Date: Mon, 29 Mar 2004 06:29:35 -0500
I went through this before but without the variance situation. Comments: First, by charging or "collecting" an administrative permit for $883, the town is telling you in official language they do not
/archives//html/Towertalk/2004-03/msg00634.html (8,796 bytes)

4. [TowerTalk] non-level antenna (score: 1)
Author: "D. Rodman, MD" <rodman@buffalo.edu>
Date: Mon, 26 Apr 2004 06:48:12 -0400 (EDT)
My 40M4 by M2 was noted to have a broken TIC ring mount early March. The mount was temporarily repaired while we waited for the weather to break. The rigger came back and with a gin pole on the top o
/archives//html/Towertalk/2004-04/msg00459.html (9,062 bytes)

5. [TowerTalk] Delta Loop Info and Opinions? (score: 1)
Author: David J Rodman MD <rodman@buffalo.edu>
Date: Sun, 10 Oct 2004 22:12:32 -0400
I have had some experience detuning a tower. In my case, I discovered my tower was acting as a reflector element for my apex up delta loop antenna which was adjacently located. I modeled the system,
/archives//html/Towertalk/2004-10/msg00199.html (7,594 bytes)

6. [TowerTalk] Night Climb (score: 1)
Author: David J Rodman MD <rodman@buffalo.edu>
Date: Fri, 15 Oct 2004 07:01:19 -0400
I used a particularly calm warm night to accomplish a night climb and calibrate a rotor on one of my towers. Without dwelling on the fact that this was not a particularly fun or thing I would endorse
/archives//html/Towertalk/2004-10/msg00383.html (8,000 bytes)

7. [TowerTalk] Re: ANTENNA STACKS (score: 1)
Author: "David J Rodman, MD" <rodman@buffalo.edu>
Date: Fri, 15 Oct 2004 17:08:57 -0400
Jose, I have had some experience looking at what you propose. Many people do this. I found the interaction between antennas in close proximity too much for my liking and physically too hard to put up
/archives//html/Towertalk/2004-10/msg00402.html (8,472 bytes)

8. [TowerTalk] 80m 4Square Dipole VSWR question (score: 1)
Author: "D. Rodman, MD" <rodman@buffalo.edu>
Date: Tue, 16 Nov 2004 21:19:00 -0500 (EST)
I have a measured different resonance curves and corresponding VSWR for my 80m dipole array depending on which antennas I select. For example, the antennas are oriented NE, SE, SW, and NW. I have two
/archives//html/Towertalk/2004-11/msg00444.html (9,692 bytes)

9. [TowerTalk] DX-Engineering Remote Coax Switch (score: 1)
Author: David J Rodman MD <rodman@buffalo.edu>
Date: Tue, 23 Nov 2004 06:51:32 -0500
I have used lots of ICE products. I would be sure to seal connectors with cold shrink tape, plasti-dip or liquid electrical tape. Wired connections should be treated with some liquid protective coati
/archives//html/Towertalk/2004-11/msg00647.html (7,413 bytes)

10. [TowerTalk] RE: TIC Ring Potentiometer Failure? (score: 1)
Author: David J Rodman MD <rodman@buffalo.edu>
Date: Sun, 28 Nov 2004 20:33:22 -0500
I have 8 rings and have experienced many many failures of various items over the last 12 years. The potentiometers tend to last a few years then start to have eratic feedback problems, in my experien
/archives//html/Towertalk/2004-11/msg00700.html (10,024 bytes)

11. [TowerTalk] Re: TIC Ring QRN (score: 1)
Author: David J Rodman MD <rodman@buffalo.edu>
Date: Thu, 02 Dec 2004 07:33:36 -0500
Steve, have you physically inspected the ring for damage? I have eight rings and I have seen lots of problems over the years. Last year the cradle of one antenna broke and the antenna almost twisted
/archives//html/Towertalk/2004-12/msg00014.html (7,586 bytes)

12. [TowerTalk] Re: 20M Yagi (score: 1)
Author: David J Rodman MD <rodman@buffalo.edu>
Date: Sun, 12 Dec 2004 07:28:29 -0500
Mike, I have designed, matched and built many HF yagis, including a 20/15m interlaced yagi over 15 years ago. Computers were not that sophisticated then and their use was rather new and programs were
/archives//html/Towertalk/2004-12/msg00265.html (9,229 bytes)

13. [TowerTalk] How do ferrite cores affect the length of a phasingline? (score: 1)
Author: David J Rodman MD <rodman@buffalo.edu>
Date: Fri, 17 Dec 2004 20:37:51 -0500
Hi, I need to troubleshoot my 4Square. One of my dipoles probably has a bad feed point. I decided to replace the 4 W2DU current baluns with direct feed points and #43 material ferrite cores on the fe
/archives//html/Towertalk/2004-12/msg00334.html (7,642 bytes)

14. [TowerTalk] Returning disputed items, was: BANISHMENT FROM TOWER TALK (score: 1)
Author: David J Rodman MD <rodman@buffalo.edu>
Date: Sun, 09 Jan 2005 06:36:04 -0500
I only want to discuss returning disputed items. My point has nothing to do with Tower Talk or either party in the previous discussion. At one point, I purchased a radio from a vendor on eBay. The ve
/archives//html/Towertalk/2005-01/msg00245.html (9,351 bytes)

15. [TowerTalk] Frozen Rotor (score: 1)
Author: David J Rodman MD <rodman@buffalo.edu>
Date: Fri, 21 Jan 2005 07:11:11 -0500
Martin, if I read your post correctly, you did not mention about ice/snow or precipitation problems. All you mention is cold and the rotor works in slightly warmer temps. Maybe it is a stretch to thi
/archives//html/Towertalk/2005-01/msg00915.html (8,840 bytes)

16. [TowerTalk] Remote station operation (score: 1)
Author: David J Rodman MD <rodman@buffalo.edu>
Date: Thu, 27 Jan 2005 07:53:17 -0500
Hi, I believe that my station is the most complex full featured internet control station anywhere. The project started when I had a high voltage short at my house which took out half of my ham equipm
/archives//html/Towertalk/2005-01/msg01166.html (10,590 bytes)


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