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101. Re: [TenTec] Orion 2 (score: 1): Author: Bill Tippett <btippett@alum.mit.edu>; Date: Thu, 22 Jun 2006 06:08:10 -0400; K1RM: adj until the signal drops in level then to move the other direction until it drops. Add these values and divide by two(2). Be adding does it mean mathematically or take just the readings and a; /archives//html/TenTec/2006-06/msg00402.html (7,078 bytes)
102. [TenTec] Hearing disabled CW OP Seeks Special Omni Filter (score: 1): Author: Bill Tippett <btippett@alum.mit.edu>; Date: Mon, 01 May 2006 09:31:50 -0400; 880 Hz CW note in the Omni VI plus. At 1500 Hz, am as much as 70 dB down. Have constant ringing tinitus at high frequency due to irreversible damage in the cochlea. Peter, you didn't say what exact p; /archives//html/TenTec/2006-05/msg00006.html (9,747 bytes)
103. Re: [TenTec] 2.033 (score: 1): Author: Bill Tippett <btippett@alum.mit.edu>; Date: Wed, 03 May 2006 07:05:21 -0400; NQ5T: adds nothing to (S+N)/N ratio, and at any BW below about 1000 Hz actually degrades it. Just to clarify Orion's implementation of DSP NR, I believe your statement is true for ANY DSP rig with re; /archives//html/TenTec/2006-05/msg00111.html (8,918 bytes)
104. [TenTec] Orion Noise Reduction (score: 1): Author: Bill Tippett <btippett@alum.mit.edu>; Date: Fri, 05 May 2006 09:38:13 -0400; I am confident that the NR algorithm in the Orion (V1.373b5) can improve the S+N/N for CW signals. A few questions Merle: 1. If the starting point is using the DSP's 100 Hz bandwidth, will enabling N; /archives//html/TenTec/2006-05/msg00226.html (7,194 bytes)
105. [TenTec] My first TenTec Rig.. RIP (score: 1): Author: Bill Tippett <btippett@alum.mit.edu>; Date: Fri, 05 May 2006 11:46:03 -0400; W3DMT: but it WAS connected to a computer, that was attached to a network segment that came directly off of my DSL router. Yes, Phone line > DSL Modem > Router > Computer 1. All antennas (I do that o; /archives//html/TenTec/2006-05/msg00231.html (7,447 bytes)
106. [TenTec] Copper Flashing (score: 1): Author: Bill Tippett <btippett@alum.mit.edu>; Date: Sun, 07 May 2006 08:12:58 -0400; <<<Maybe a ribbon of #6 a couple feet wide may work but flashing copper hasn't been all that much more expensive until recently.>>> K5UJ: from AES and 50 feet of it was around $100. From www.lowes.co; /archives//html/TenTec/2006-05/msg00284.html (7,249 bytes)
107. [TenTec] Orion v1 - Orion v2/II NR Comparison (score: 1): Author: Bill Tippett <btippett@alum.mit.edu>; Date: Thu, 11 May 2006 07:09:56 -0400; the v1, AN doesn't work - but the manual notch does. Grant, this was your only surprising comment to me, but perhaps I simply need some clarification. Do you mean with NR and AN both activated? I've; /archives//html/TenTec/2006-05/msg00340.html (7,596 bytes)
108. [TenTec] Best Orion version for Field Day (score: 1): Author: Bill Tippett <btippett@alum.mit.edu>; Date: Fri, 12 May 2006 07:13:14 -0400; and most useful in a Field Day-type contest? I would use 1.373b5. It is stable and has both AGC Threshold / RF Gain integrated into the front panel RF GAIN control which is much more intuitive for s; /archives//html/TenTec/2006-05/msg00364.html (7,401 bytes)
109. [TenTec] FT-2000 (score: 1): Author: Bill Tippett <btippett@alum.mit.edu>; Date: Fri, 12 May 2006 17:57:18 -0400; Anyone notice Yaesu's FT-2000 on the inside rear cover of June QST? If you look very carefully with a magnifying glass, you will see it sports a 3 kHz roofing filter, just like the FTdx9000. Now that; /archives//html/TenTec/2006-05/msg00370.html (7,548 bytes)
110. [TenTec] Orion buyers guide (score: 1): Author: Bill Tippett <btippett@alum.mit.edu>; Date: Fri, 12 May 2006 18:44:52 -0400; You are correct about the firmware, but I would try to find a unit that has been factory updated within the past year or so. I sent my unit in under warranty in June 2005 and there were a number ofha; /archives//html/TenTec/2006-05/msg00373.html (7,938 bytes)
111. [TenTec] FT-2000 Webpage (score: 1): Author: Bill Tippett <btippett@alum.mit.edu>; Date: Mon, 29 May 2006 08:56:08 -0400; http://foxtango.org/FT-2000/FT-2000.htm I really like the RX setup display using a block diagram. Reminds me a little of K6STI's DSP Blaster display. http://foxtango.org/FT-2000/Images/0215disp.jpg T; /archives//html/TenTec/2006-05/msg00727.html (8,129 bytes)
112. [TenTec] FT-2000 Webpage (score: 1): Author: Bill Tippett <btippett@alum.mit.edu>; Date: Mon, 29 May 2006 11:49:57 -0400; the Orion2??? It's a problem fundamental to the design of the rigs. All Japanese rigs offer general coverage and use an up-conversion IF scheme. This puts their 1st IF at typically 40 or 70 MHz. Mos; /archives//html/TenTec/2006-05/msg00734.html (9,812 bytes)
113. [TenTec] Roofing Filters (LONG) (score: 1): Author: Bill Tippett <btippett@alum.mit.edu>; Date: Mon, 29 May 2006 18:26:43 -0400; Hi Ken, First read your homework assignment: http://www.qth.com/inrad/roofing-filters.pdf http://www.sherweng.com/Dayton_2004/Dayton_2004-Sherwood.pdf http://www.qth.com/inrad/QSTReview.pdf http://ww; /archives//html/TenTec/2006-05/msg00755.html (14,465 bytes)
114. [TenTec] Roofing Filters (LONG) (score: 1): Author: Bill Tippett <btippett@alum.mit.edu>; Date: Mon, 29 May 2006 18:33:06 -0400; rigs. Is that an incorrect usage of the term? 8. Yes it is. It replaces the 15 kHz filter as noted in Oops, now I see that is ambiguous. As I noted I simply do not know whether Inrad bypasses the 15; /archives//html/TenTec/2006-05/msg00757.html (7,035 bytes)
115. [TenTec] Roofing Filters (LONG) (score: 1): Author: Bill Tippett <btippett@alum.mit.edu>; Date: Mon, 29 May 2006 20:35:21 -0400; Someone responded directly regarding the Omni's filtering scheme. The optional Inrad roofing filter is inserted after the 1st mixer and BEFORE the original 15 kHz roofing filter. The original filter; /archives//html/TenTec/2006-05/msg00762.html (8,608 bytes)
116. [TenTec] Roofing Filters (LONG) (score: 1): Author: Bill Tippett <btippett@alum.mit.edu>; Date: Mon, 29 May 2006 21:52:15 -0400; Hi Carl, has just one filter in the IF. This filter would certainly not be called a roofing filter. The purpose of the roofing filters in the Orion's are to keep the DSP stage from overloading on sig; /archives//html/TenTec/2006-05/msg00765.html (8,393 bytes)
117. [TenTec] The Perfect Radio (score: 1): Author: Bill Tippett <btippett@alum.mit.edu>; Date: Wed, 12 Apr 2006 09:27:43 -0400; NQ5T: -- ah --whatever radios cast .. :-) http://www.eham.net/reviews/detail/5823 73, Bill W4ZV; /archives//html/TenTec/2006-04/msg00361.html (7,772 bytes)
118. Re: [TenTec] V 1.372 for Orion (score: 1): Author: Bill Tippett <btippett@alum.mit.edu>; Date: Wed, 12 Apr 2006 13:52:56 -0400; N6AHA: know what a Oigee board is, look it up on Google!) Should also be compensated for pre-amp in or out. That's Oija....not Oigee. ;-) level after the offending tone has been removed. not a real c; /archives//html/TenTec/2006-04/msg00373.html (10,421 bytes)
119. [TenTec] The Perfect Radio (score: 1): Author: Bill Tippett <btippett@alum.mit.edu>; Date: Wed, 12 Apr 2006 15:55:51 -0400; Now that link is gone too but here's another: http://www.computeradio.us/ "We are looking for few more brains and hands to join the CR Dream Team." Hurry before the vanishing vaporware vamooses. 73,; /archives//html/TenTec/2006-04/msg00386.html (6,999 bytes)
120. [TenTec] Rob Sherwood on Orion II (score: 1): Author: Bill Tippett <btippett@alum.mit.edu>; Date: Sun, 16 Apr 2006 19:57:02 -0400; The Orion II has the highest close-in dynamic range at 1 kHz spacing I have ever tested. At 50 kHz and 20 kHz, the dynamic range is synthesizer noise limited at 95 dB. At 5 kHz the synthesizer loop i; /archives//html/TenTec/2006-04/msg00503.html (8,169 bytes)

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