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21. [TenTec] Hello Orion Users (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Mon May 5 21:34:23 2003; But isn't the real point that heretofore, DSP was done after the AGC loop, so that regardless of how sharp the DSP passband, AGC pumping was occurring before the signal ever got there. That is certai; /archives//html/TenTec/2003-05/msg00108.html (9,300 bytes)
22. [TenTec] Hello Orion Users (score: 1): Author: wg6h@postoffice.pacbell.net (Bill Miner); Date: Mon May 5 21:40:49 2003; Bill and List, FYI Before you take advantage of the filter sale from Inrad for use in an ORION I would check on the insertion loss of the Inrad filters to make sure they are similar to the Ten Tec fi; /archives//html/TenTec/2003-05/msg00109.html (11,823 bytes)
23. [TenTec] Hello Orion Users (score: 1): Author: n4py@earthlink.net (Carl Moreschi); Date: Mon May 5 21:57:00 2003; Bill, I understand your point. The only thing I am trying to say is when you say audio DSP it makes it sound like the DSP can do no more than a good external audio DSP unit like the timewave units. T; /archives//html/TenTec/2003-05/msg00110.html (11,927 bytes)
24. [TenTec] Hello Orion Users (score: 1): Author: nq5t@attbi.com (nq5t@attbi.com); Date: Mon May 5 22:09:47 2003; The relationship only exists because of the physical nature of how those two sensors on the sides of our head work. The distinction between audio and not-audio is irrelevant in this situation. As som; /archives//html/TenTec/2003-05/msg00112.html (9,299 bytes)
25. [TenTec] Hello Orion Users (score: 1): Author: wmarvin@hickorytech.net (Bill KB9IV); Date: Mon May 5 22:12:37 2003; Hello All, To End this thread :), YES you can hear RF (AF). I have a metal detector which generates a 14 Khz pulse signal.........If I put my ear to the coil bottom I hear it, maybe some of the poste; /archives//html/TenTec/2003-05/msg00114.html (11,075 bytes)
26. [TenTec] Hello Orion Users (score: 1): Author: jimr.reid@verizon.net (Jim Reid); Date: Mon May 5 22:50:13 2003; On going very interesting discussion: RF/IF vs audio. Well, do you understand the difference between these two words: acoustic and electromagnetic?? If one signal is acoustic and the other electromag; /archives//html/TenTec/2003-05/msg00116.html (10,578 bytes)
27. [TenTec] Hello Orion Users (score: 1): Author: tjednacz@ieee.org (Thomas Jednacz); Date: Mon May 5 23:10:56 2003; Hello Bill and all - Bill you are correct. The Navy uses just such a system to communicate with the subs around the world. You should see the antennas around San Diego. Wow! Tom, W7QF --Original Mess; /archives//html/TenTec/2003-05/msg00117.html (10,557 bytes)
28. [TenTec] Hello Orion Users (score: 1): Author: W3GQJ@attbi.com (John T. Fleming); Date: Mon May 5 23:34:05 2003; Tom, Isn't here also a 10 KHz antenna system in the upper peninsula of Michigan? I seem to remember reading about it being built years ago. 73, John PS As a kid years ago when I had an SX-99 receiver; /archives//html/TenTec/2003-05/msg00119.html (11,796 bytes)
29. [TenTec] Hello Orion Users (score: 1): Author: wa2pvk@verizon.net (WILLIAM MANSEY; WA2PVK); Date: Tue May 6 00:01:18 2003; Hello Carl, Glad to hear of your impending Orion! You IS in for a great surprise! I am certainly going to be waiting to hear your comments. I wonder how long it will take you to get the Orion out of; /archives//html/TenTec/2003-05/msg00121.html (8,867 bytes)
30. [TenTec] Hello Orion Users (score: 1): Author: dkelley@bucknell.edu (David Kelley); Date: Tue May 6 00:45:50 2003; The semester's winding down, and I have a little time, so I think I'll jump in here. How is this for a distinction between "RF" and "AF"? A signal is considered to be RF if it must be downconverted; /archives//html/TenTec/2003-05/msg00123.html (9,872 bytes)
31. [TenTec] Hello Orion Users (score: 1): Author: btippett@alum.mit.edu (Bill Tippett); Date: Tue May 6 07:28:39 2003; N4PY: 1 filter shape factor before. Which reminds me, does anyone know if the shape factor can be changed? There are times when you might like to do that and it should be simple with DSP...i.e. a wid; /archives//html/TenTec/2003-05/msg00124.html (8,877 bytes)
32. [TenTec] Hello Orion Users (score: 1): Author: n4py@earthlink.net (Carl Moreschi); Date: Tue May 6 07:59:16 2003; The 500 hertz and 250 hertz filter correction allow you to tweak the center frequency that passes through the filter to allow for small variation in the true center frequency the filter passes. That'; /archives//html/TenTec/2003-05/msg00125.html (9,939 bytes)
33. [TenTec] Hello Orion Users (score: 1): Author: K3MIY@CSONLINE.NET (RON ZOND); Date: Tue May 6 08:30:08 2003; hi Regarding AF vs RF. Audio is heard by the ear, and consists of of compressions and rarefractions of air. RF (radio) is high frequency alternations of electric current, and is independent of the su; /archives//html/TenTec/2003-05/msg00126.html (10,382 bytes)
34. [TenTec] Hello Orion Users (score: 1): Author: mark@microenh.com (Mark Erbaugh); Date: Tue May 6 08:33:11 2003; center the thought the slope of the Orion filters was adjustable (similar to the sharp and soft filtering available in the Icom 756 Pro II). I don't have an Orion, so I can't check it out. Mark; /archives//html/TenTec/2003-05/msg00127.html (8,148 bytes)
35. [TenTec] Hello Orion Users (score: 1): Author: k9uw@msworldnet.com (Mike Pagel); Date: Tue May 6 09:53:38 2003; Project ELF is located in northern Wisconsin and Michigan's Upper Penninsula. It is capable of producing signals from 30 to 300 Hz. http://www.oldradio.com/archives/jurassic/ELF.doc 73, de Mike, K9UW; /archives//html/TenTec/2003-05/msg00128.html (12,346 bytes)
36. [TenTec] Hello Orion Users (score: 1): Author: ve1adh@yahoo.ca (David McClafferty); Date: Tue May 6 11:46:07 2003; The frequencies may be the same but the velocities and therefore the WAVELENGTHS are different. If you connected your transmitter to a speaker or another type of transducer, I might not be able to he; /archives//html/TenTec/2003-05/msg00133.html (11,190 bytes)
37. [TenTec] Hello Orion Users (score: 1): Author: no7up@yahoo.com (Charlie Chisholm); Date: Tue May 6 15:00:07 2003; OK, here's a question. Let's say you have a 10kHz signal of a certain amplitude within an electrical circuit. I assume it is traveling at the speed of light minus the velocity factor in copper. Take; /archives//html/TenTec/2003-05/msg00135.html (12,570 bytes)
38. [TenTec] Hello Orion Users (score: 1): Author: rohre@arlut.utexas.edu (Stuart Rohre); Date: Tue May 6 15:20:10 2003; Interesting discussion on RF vs. AF. Well, RF once it gets into a wire does not travel as fast as light. And generally, we consider it RF if it retains its wave action of having an alternating magnet; /archives//html/TenTec/2003-05/msg00136.html (9,682 bytes)
39. [TenTec] Hello Orion Users (score: 1): Author: geraldj@isunet.net (Dr. Gerald N. Johnson, electrical engineer); Date: Tue May 6 15:49:11 2003; BUT!!! since the 10 KHz signal coming to the DSP in the Orian is MODULATED RF, you probably can't copy the voice (might copy the make break CW signals) because your ear can't do the frequency transla; /archives//html/TenTec/2003-05/msg00137.html (9,333 bytes)
40. [TenTec] Hello Orion Users (score: 1): Author: N4NT_Mike.Hyder@charter.net (Mike Hyder -N4NT-); Date: Wed May 7 12:13:02 2003; Now I get it. I can save a bundle by just hooking my aerial to my tweeter. 73, Mike N4NT does an voltage you to early; /archives//html/TenTec/2003-05/msg00167.html (10,303 bytes)

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