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Total 11 documents matching your query.

1. Re: [TenTec] THANK YOU AND APOLOGY - for Billy (score: 1): Author: "Rick - DJ0IP / NJ0IP" <Rick@DJ0IP.de>; Date: Mon, 28 Jul 2014 08:26:28 +0200; GM Billy, In reading back over my post, I did not find a mistake but rather a sentence that was written poorly and might be interpreted two ways; one right, the other would be wrong. Is this the mist; /archives//html/TenTec/2014-07/msg00804.html (9,309 bytes)
2. Re: [TenTec] THANK YOU AND APOLOGY - for Billy (score: 1): Author: Jim Brown <k9yc@audiosystemsgroup.com>; Date: Sun, 27 Jul 2014 23:47:19 -0700; Not quite. Bandpass filters can only kill out of band noise -- that is, a 20M bandpass filter passes ALL 20M signals, regardless of where they come from, but will effectively prevent its own noise fr; /archives//html/TenTec/2014-07/msg00805.html (8,599 bytes)
3. Re: [TenTec] THANK YOU AND APOLOGY - for Billy (score: 1): Author: "Rick - DJ0IP / NJ0IP" <Rick@DJ0IP.de>; Date: Mon, 28 Jul 2014 10:01:25 +0200; Yes, you guys are all correct and I was wrong. I dunno what I was thinking. The transmitter's broadband noise will indeed go through the bandpass filter because it is also actually transmitting on th; /archives//html/TenTec/2014-07/msg00809.html (9,791 bytes)
4. Re: [TenTec] THANK YOU AND APOLOGY - for Billy (score: 1): Author: shristov <shristov@ptt.rs>; Date: Mon, 28 Jul 2014 10:08:23 +0200; The usual practice is this: * TX on, say, 14 MHz, transmits through a 14 MHz bandpass filter, which attenuates the TX noise on 21 MHz. * RX on, say, 21 MHz, receives through a 21 MHz bandpass filter,; /archives//html/TenTec/2014-07/msg00810.html (8,504 bytes)
5. Re: [TenTec] THANK YOU AND APOLOGY - for Billy (score: 1): Author: "Rick - DJ0IP / NJ0IP" <Rick@DJ0IP.de>; Date: Mon, 28 Jul 2014 15:01:44 +0200; STOP - I changed my mind! (hi) I don't think I was wrong, after all. Let's be specific now. STN. 1 is a radio with broadband noise operating on 40m. STN. 2 is a K3 operating on 20m. STN. 3 is an Orio; /archives//html/TenTec/2014-07/msg00818.html (12,498 bytes)
6. Re: [TenTec] THANK YOU AND APOLOGY - for Billy (score: 1): Author: "Gary - AB9M" <glhuber@msn.com>; Date: Mon, 28 Jul 2014 09:51:01 -0500; We might consider the work of W7GLT (SK), Bill Lieske, INTERMOD CONTROL, and this piece http://urgentcomm.com/mag/radio_intermod_getting_upper . Appropriate band pass filtering of each transmitter/re; /archives//html/TenTec/2014-07/msg00824.html (13,910 bytes)
7. Re: [TenTec] THANK YOU AND APOLOGY - for Billy (score: 1): Author: Billy Cox <aa4nu@ix.netcom.com>; Date: Mon, 28 Jul 2014 11:14:29 -0500 (GMT-05:00); Hi Rick, Nope ... Re-read what the others have posted, band pass filters are wide bandwidth filters. Wide band width filters CAN NOT reduce in-band narrow "crud" ... they simply cannot by design. Now; /archives//html/TenTec/2014-07/msg00829.html (19,910 bytes)
8. Re: [TenTec] THANK YOU AND APOLOGY - for Billy (score: 1): Author: Jim Brown <k9yc@audiosystemsgroup.com>; Date: Mon, 28 Jul 2014 09:45:03 -0700; Excellent post, Billy. 73, Jim K9YC _______________________________________________ TenTec mailing list TenTec@contesting.com http://lists.contesting.com/mailman/listinfo/tentec; /archives//html/TenTec/2014-07/msg00836.html (7,819 bytes)
9. Re: [TenTec] THANK YOU AND APOLOGY - for Billy (score: 1): Author: "Rick - DJ0IP / NJ0IP" <Rick@DJ0IP.de>; Date: Mon, 28 Jul 2014 18:50:34 +0200; Thanks Billy, like always, excellent technical data. A couple of points. The 40dB is a published spec from Dunestar. They "claim" : - Insertion: typical 0.5-,7db, - Rejection: typical 40db band-to-ba; /archives//html/TenTec/2014-07/msg00837.html (21,219 bytes)
10. Re: [TenTec] THANK YOU AND APOLOGY - for Billy (score: 1): Author: "Gary - AB9M" <glhuber@msn.com>; Date: Mon, 28 Jul 2014 13:38:45 -0500; Rick, go to http://www.arcticpeak.com/radiopages/intermodulationproducts.htm and plug in 14020, 21020, and 28020 in as the frequencies of the three radios in your example. Look at the odd order resul; /archives//html/TenTec/2014-07/msg00842.html (22,197 bytes)
11. Re: [TenTec] THANK YOU AND APOLOGY - for Billy (score: 1): Author: "Rick - DJ0IP / NJ0IP" <Rick@DJ0IP.de>; Date: Mon, 28 Jul 2014 22:16:53 +0200; Sweet. I like that program. Thanks Gary. I think most people know this goes on. It's just difficult to calculate this stuff yourself. What is still little known is how bad broadband noise can be at m; /archives//html/TenTec/2014-07/msg00851.html (10,300 bytes)

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