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1. [TenTec] Sherwood Presentation (score: 1): Author: Bill Tippett <btippett@alum.mit.edu>; Date: Wed, 19 May 2004 07:24:45 -0400; Sherwood Engineering's Dayton presentation is here: http://www.sherweng.com/presentation.html available in HTML (.htm), Power Point (.ppt) and Adobe (.pdf) Does anyone know if Inrad will ever do a ro; /archives//html/TenTec/2004-05/msg00522.html (6,716 bytes)
2. Re: [TenTec] Sherwood Presentation (score: 1): Author: Bill NY9H <ny9h@arrl.net>; Date: Wed, 19 May 2004 07:35:02 -0500; now if someone would publish the " birdie removal procedure kit" complete with chokes for the omni 6.... My DX4WIN program is so smart , it know how to always spot the DX right on the one of the bird; /archives//html/TenTec/2004-05/msg00525.html (8,256 bytes)
3. Re: [TenTec] Sherwood Presentation (score: 1): Author: "Paul Christensen" <w9ac@arrl.net>; Date: Wed, 19 May 2004 08:47:32 -0400; I'm a bit confused over the data as presented in Sherwood's chart: http://www.sherweng.com/presentation.html For example, he shows the Orion with only the 20 kHz roofing filter at 96dB/79dB (20 kHz a; /archives//html/TenTec/2004-05/msg00527.html (8,623 bytes)
4. Re: [TenTec] Sherwood Presentation (score: 1): Author: Sinisa Hristov <shristov@ptt.yu>; Date: Wed, 19 May 2004 09:07:05 -0400; Orion's close-in IM performance is substantially degraded with 500 & 250 Hz filters. Some claim that's due to additional gain, but I doubt it. 73, Sinisa YT1NT, VA3TTN ______________________________; /archives//html/TenTec/2004-05/msg00530.html (8,506 bytes)
5. Re: [TenTec] Sherwood Presentation (score: 1): Author: tongaloa <tongaloa@alltel.net>; Date: Wed, 19 May 2004 09:09:21 -0400; Bill Tippett wrote: Sherwood Engineering's Dayton presentation is here: http://www.sherweng.com/presentation.html Wonder why he did not include Drake TR-7/R-7 In stock config, they are both right up; /archives//html/TenTec/2004-05/msg00531.html (8,418 bytes)
6. Re: [TenTec] Sherwood Presentation (score: 1): Author: Kc9cdt@aol.com; Date: Wed, 19 May 2004 09:12:11 EDT; The question is 'IS TT GOING TO FIX THE DEGRADATION ISSUE WITH THE 500 and 250 filters???' I was told by someone that I trust that it is a hardware design issue! Will TT do a MOD for us to fix it? We; /archives//html/TenTec/2004-05/msg00533.html (7,770 bytes)
7. [TenTec] Sherwood Presentation (score: 1): Author: Barry N1EU <n1eu@yahoo.com>; Date: Wed, 19 May 2004 06:17:51 -0700 (PDT); W9AC asked "Is it me or are the numbers counter-intuitive?" Paul, where were you for the discussion on IMD degradation caused by the extra preamp stage used for the 500hz & 250hz roofing filters? 73,; /archives//html/TenTec/2004-05/msg00534.html (7,923 bytes)
8. Re: [TenTec] Sherwood Presentation (score: 1): Author: Duane A Calvin <ac5aa@juno.com>; Date: Wed, 19 May 2004 08:31:53 -0500; Here's an peculiarity in his numbers, pointed out by a local here - look at the Mk V and the Mk V Field numbers. From what I understand these use the same RX boards. I wonder why there are 10 dB of d; /archives//html/TenTec/2004-05/msg00536.html (8,771 bytes)
9. Re: [TenTec] Sherwood Presentation (score: 1): Author: "Charlie, W0YG" <w0yg@myawai.com>; Date: Wed, 19 May 2004 14:07:32 -0000; The problem with the 500 and 250 Hz filters is the design of the filter board itself. Let me try to explain. The filter board is designed for one bank of five filters and one bank of two filters. Whe; /archives//html/TenTec/2004-05/msg00539.html (10,693 bytes)
10. Re: [TenTec] Sherwood Presentation (score: 1): Author: tongaloa <tongaloa@alltel.net>; Date: Wed, 19 May 2004 10:27:03 -0400; Charlie, W0YG wrote: The problem with the 500 and 250 Hz filters is the design of the filter board itself. Let me try to explain. The filter board is designed for one bank of five filters and one ban; /archives//html/TenTec/2004-05/msg00541.html (9,665 bytes)
11. Re: [TenTec] Sherwood Presentation (score: 1): Author: "Paul Christensen" <w9ac@arrl.net>; Date: Wed, 19 May 2004 10:44:49 -0400; I must have fallen asleep at the delete button. I'll check the archives. Thanks! -Paul, W9AC _______________________________________________ TenTec mailing list TenTec@contesting.com http://lists.co; /archives//html/TenTec/2004-05/msg00545.html (8,275 bytes)
12. Re: [TenTec] Sherwood Presentation (score: 1): Author: K4IA@aol.com; Date: Wed, 19 May 2004 10:50:33 EDT; Maybe I misunderstand but perhaps the gurus here can straighten this out. The Dynamic Range numbers relate to how strong a nearby signal will produce IMD distortion. That is the mixing of two signals; /archives//html/TenTec/2004-05/msg00546.html (9,151 bytes)
13. [TenTec] Sherwood Presentation (score: 1): Author: Bill Tippett <btippett@alum.mit.edu>; Date: Wed, 19 May 2004 11:43:11 -0400; Hi Buck, K4IA: the QRM and, very importantly, keeps the AGC circuit from pumping or generating clicks on its own. This is the primary difference I note with the Orion vs my Mark V Field. That Field c; /archives//html/TenTec/2004-05/msg00549.html (10,400 bytes)
14. RE: [TenTec] Sherwood Presentation (score: 1): Author: "David E. Shelton" <n4in@insightbb.com>; Date: Wed, 19 May 2004 12:01:10 -0400; As to whether or not TT fixes the degradation of dynamic range performance at the 2 kHz bandwidth with the 500Hz/250Hz filters is something they could overcome in a short period of time if they wante; /archives//html/TenTec/2004-05/msg00552.html (11,599 bytes)
15. RE: [TenTec] Sherwood Presentation (score: 1): Author: "Ten-Tec Inc. Amateur Radio Sales" <sales@tentec.com>; Date: Wed, 19 May 2004 13:22:15 -0400; At 12:01 PM 5/19/04 -0400, you wrote: As to whether or not TT fixes the degradation of dynamic range performance at the 2 kHz bandwidth with the 500Hz/250Hz filters is something they could overcome i; /archives//html/TenTec/2004-05/msg00553.html (10,921 bytes)
16. RE: [TenTec] Sherwood Presentation (score: 1): Author: "David E. Shelton" <n4in@insightbb.com>; Date: Wed, 19 May 2004 13:07:06 -0400; I was referring to new INRAD filters to come. roofing Let's not lose perspective on this, the Orion is -by far- the best receiver performance available today. Plenty of objective reports with testing; /archives//html/TenTec/2004-05/msg00556.html (11,105 bytes)
17. Re: [TenTec] Sherwood Presentation (score: 1): Author: "Paul Christensen" <attorney@broadcast.net>; Date: Wed, 19 May 2004 10:43:06 -0400; I must have fallen asleep at the delete button. I'll check the archives. Thanks! -Paul, W9AC _______________________________________________ TenTec mailing list TenTec@contesting.com http://lists.co; /archives//html/TenTec/2004-05/msg00615.html (9,014 bytes)

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