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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[TenTec\]\s+strange\s+QRM\/QRN\/RFI\s+source\?\s*$/: 17 ]

Total 17 documents matching your query.

1. [TenTec] strange QRM/QRN/RFI source? (score: 1): Author: wb5jnc@juno.com (wb5jnc@juno.com); Date: Wed May 14 20:49:12 2003; Greetings all, (First, my apologies for the length of this post, but I wanted to give as much info as possible in the hope of tracking down whatever we are hearing. TNX.) I'd like to enlist the aid o; /archives//html/TenTec/2003-05/msg00350.html (9,519 bytes)
2. [TenTec] strange QRM/QRN/RFI source? (score: 1): Author: larrylg@sbcglobal.net (Larry Greenberg); Date: Wed May 14 22:48:59 2003; Hello... first the obvious a power transformer.. Data stream? A cable transponder-leak sometimes cable co.s provide internet access. Otherwise- Are you rural or urban? Is the noise constant or pulsat; /archives//html/TenTec/2003-05/msg00357.html (10,173 bytes)
3. [TenTec] strange QRM/QRN/RFI source? (score: 1): Author: wg6h@postoffice.pacbell.net (Bill Miner); Date: Wed May 14 23:00:22 2003; Al, DSL uses a number of frequency bands up to 3-4 Mhz. I (good) telephone cable pair is 600 ohms balanced and SHOULD not radiate. The DSL at my QTH has no detectable RFI on any frequency. I would be; /archives//html/TenTec/2003-05/msg00358.html (11,091 bytes)
4. [TenTec] strange QRM/QRN/RFI source? (score: 1): Author: kw0d@netexpress.net (Dave Kamp, KW0D); Date: Wed May 14 23:38:11 2003; Just released today was FCC-03-105A1, the decision on several Amateur allocation interests. Heavily embedded within, are notes on the parry between Power Line Carrier users and companies... PLC is th; /archives//html/TenTec/2003-05/msg00361.html (11,185 bytes)
5. [TenTec] strange QRM/QRN/RFI source? (score: 1): Author: csegar@mindspring.com (Cliff); Date: Thu May 15 07:39:29 2003; (and edited quite a bit) "X10 powerline carrier transmissions are synchronized to the zero crossing point of the AC power line. The goal should be to transmit as close to the zero crossing point as p; /archives//html/TenTec/2003-05/msg00368.html (9,274 bytes)
6. [TenTec] strange QRM/QRN/RFI source? (score: 1): Author: mark@microenh.com (Mark Erbaugh); Date: Thu May 15 08:46:03 2003; What I found interesting in the ARRL summary of the FCC was that the FCC denied amateurs the LF allocation as they were concerned about interference to power line communication. Obviously, the power; /archives//html/TenTec/2003-05/msg00371.html (8,739 bytes)
7. [TenTec] strange QRM/QRN/RFI source? (score: 1): Author: w8au@sssnet.com (w8au@sssnet.com); Date: Thu May 15 09:50:06 2003; Agreed. Switching supplies can be some of the worst spectrum polluters. I have had a running battle with a consumer company (Conair) regarding their 18V switching supply that runs a portable "jacuzzi; /archives//html/TenTec/2003-05/msg00373.html (8,893 bytes)
8. [TenTec] strange QRM/QRN/RFI source? (score: 1): Author: geraldj@isunet.net (Dr. Gerald N. Johnson, electrical engineer); Date: Thu May 15 10:17:13 2003; When my FT-736R is running on its internal switching supply, the X-10 in my house won't run. One time the fan controlled by the X-10 came on from the switching noise of the FT-736R. As far as I know,; /archives//html/TenTec/2003-05/msg00374.html (8,743 bytes)
9. [TenTec] strange QRM/QRN/RFI source? (score: 1): Author: tjednacz@ieee.org (Thomas Jednacz); Date: Thu May 15 10:59:58 2003; Hi Jerry, I have had several experiences with X-10. X-10 systems today are more secure than they used to be but still not very immune to noise on the power line. My guess is that the FT-736R is putti; /archives//html/TenTec/2003-05/msg00376.html (10,143 bytes)
10. [TenTec] strange QRM/QRN/RFI source? (score: 1): Author: tjednacz@ieee.org (Thomas Jednacz); Date: Thu May 15 11:08:12 2003; Howdy - There is some experimentation with power line broadband communication now in several areas of the country. This can be a serious problem for ham radio. See if you can find out if your power c; /archives//html/TenTec/2003-05/msg00378.html (8,472 bytes)
11. [TenTec] strange QRM/QRN/RFI source? (score: 1): Author: geraldj@isunet.net (Dr. Gerald N. Johnson, electrical engineer); Date: Thu May 15 13:03:58 2003; There must be different varieties of incompatible X-10? I'm using the simple plug in outlet controller (latching relay) and the simplest controller. Either the FT-736R is putting noise on the line or; /archives//html/TenTec/2003-05/msg00382.html (9,823 bytes)
12. [TenTec] strange QRM/QRN/RFI source? (score: 1): Author: kipg@yorkinternet.net (Kip Glunt); Date: Thu May 15 13:25:04 2003; I haven't followed this topic too closely but read the original post. As I recall, the individual was experiencing noise that they didn't have before. Something that comes to mind is these photocell; /archives//html/TenTec/2003-05/msg00385.html (8,737 bytes)
13. [TenTec] strange QRM/QRN/RFI source? (score: 1): Author: reed_ww3a@alltel.net (Reed O. Krenn); Date: Thu May 15 14:05:27 2003; Very Interesting! During the 80's I worked at Sangamo Weston in the Advanced Technologies Group where we were exploring PLC with Direct Sequence Spread Spectrum (DSS). Our research was for remote met; /archives//html/TenTec/2003-05/msg00387.html (10,777 bytes)
14. [TenTec] strange QRM/QRN/RFI source? (score: 1): Author: k9uw@msworldnet.com (Mike Pagel); Date: Thu May 15 14:16:09 2003; Any chance that a neighbor came home with one of the new plasma TV sets? There was a reference to their noise-generating characteristics on eham a while back. See http://www.eham.net/articles/4285 I'; /archives//html/TenTec/2003-05/msg00388.html (9,039 bytes)
15. [TenTec] strange QRM/QRN/RFI source? (score: 1): Author: tjednacz@ieee.org (Thomas Jednacz); Date: Thu May 15 16:50:35 2003; Take some measurements and send the data to the FCC and UL along with any "zero results" communications. UL and the FCC would be interested and will pull their certification and or prohibit the impor; /archives//html/TenTec/2003-05/msg00405.html (9,566 bytes)
16. [TenTec] strange QRM/QRN/RFI source? (score: 1): Author: k5uj@hotmail.com (Rob Atkinson, K5UJ); Date: Thu May 15 18:41:36 2003; This is a good problem to send to the rfi@contesting.com email list. You should get a lot of help there, including responses from people who read it such as Ed Hare who will probably be able to nail; /archives//html/TenTec/2003-05/msg00416.html (8,092 bytes)
17. [TenTec] strange QRM/QRN/RFI source? (score: 1): Author: larrylg@sbcglobal.net (Larry Greenberg); Date: Fri May 16 00:15:18 2003; Over the years I have been involved in curing things causing QRM -mostly public utilities. Advice: if you locacte the problem emphisise the terrible noise in things like radios tvs and phones.. Don't; /archives//html/TenTec/2003-05/msg00455.html (11,001 bytes)

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