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1. [RFI] Ferrite Loops (score: 1): Author: rrath@charter.net; Date: Sat, 14 Aug 2004 16:35:27 -0700; Hello to the group and new to the group. Here is my question: I bought some ferrite loops to slide over RG/8 type coax. The seller does not know of what mix they are made of. I want to help eliminate; /archives//html/RFI/2004-08/msg00013.html (6,296 bytes)
2. Re: [RFI] Ferrite Loops (score: 1): Author: rrath@charter.net; Date: Sun, 15 Aug 2004 10:02:24 -0700; I will have the MFJ 704 LP Filter inline, I thought I should go one step further and put some beads on the transmit coax. In hope of stoppping any RF on the sheild of the coax. I am using double brai; /archives//html/RFI/2004-08/msg00024.html (7,910 bytes)
3. Re: [RFI] Power line or ? noise (score: 1): Author: rrath@charter.net; Date: Sun, 16 Apr 2006 12:36:37 -0700; Dana and Mike I have you both beat. I have any place from an s20 to s40. I live next to a power substation for the last 14 years and a Ham since 1997. If it is real cold outside I have an s20 to s30; /archives//html/RFI/2006-04/msg00004.html (6,650 bytes)
4. [RFI] Fan Noise on Repeater (score: 1): Author: rrath@charter.net; Date: Mon, 08 May 2006 20:59:41 -0700; I have a repeater that picks up noise from the fan. When I was testing the repeater here at home, it was on 120 v ac power - no noise. Now that it is on the hill top it is on battery power - no ac po; /archives//html/RFI/2006-05/msg00000.html (5,994 bytes)
5. Re: [RFI] Fan Noise on Repeater (score: 1): Author: rrath@charter.net; Date: Tue, 09 May 2006 05:31:29 -0700; 1.2 meter repeater 2.Motorola GR300 Repeater and GM 300 radios 3.12volt DC 4.thermostat 5.the same 12v line the radios do - batteries charged by solar/wind gen. 6.mounted on the back of housing 7.I d; /archives//html/RFI/2006-05/msg00002.html (8,094 bytes)
6. Re: [RFI] Fan Noise on Repeater (score: 1): Author: rrath@charter.net; Date: Tue, 09 May 2006 15:27:54 -0700; Ok I am home and here goes the rest of the answers: 10.The antenna was about 17' horizontally and about 18' up from the ground to the base of the antenna (at home 0n 120v ac). On the hill top the ant; /archives//html/RFI/2006-05/msg00009.html (9,283 bytes)
7. Re: [RFI] Fan Noise on Repeater (score: 1): Author: rrath@charter.net; Date: Tue, 09 May 2006 15:39:09 -0700; Answers to the following questions: 13.Yes. There are two other sites on the same hill top about 1600' horizontally and about 75' higher to the base of there towers. One is government and the other i; /archives//html/RFI/2006-05/msg00010.html (8,451 bytes)
8. Re: [RFI] Fan Noise on Repeater (score: 1): Author: rrath@charter.net; Date: Tue, 09 May 2006 15:52:03 -0700; The repeater housing (just the GR300 repeater) is bolted to a metal shelf, which inturn is bolted to the repeater cabinet (the entire repeater, duplexer, Bp filter, Bp cavity, etc. I have two ferrite; /archives//html/RFI/2006-05/msg00011.html (8,928 bytes)
9. Re: [RFI] Fan Noise on Repeater (score: 1): Author: rrath@charter.net; Date: Tue, 09 May 2006 16:22:30 -0700; My comments: I will be taking a new brushless 12v dc fan with me and the following items; three more ferrite loops (not the snap type), one 100 microhenies 2 amp RF choke, two .01 cap and some shield; /archives//html/RFI/2006-05/msg00012.html (12,295 bytes)
10. Re: [RFI] grounding your ham equipment (score: 1): Author: rrath@charter.net; Date: Sat, 29 Jul 2006 08:37:08 -0700; Gregory, I have always been told not to Daisey Chain when possible. I was told to run the ground wire to a bus bar (I use a 12" pc of copper pipe) and then ground all my equipment to the bus bar. As; /archives//html/RFI/2006-07/msg00001.html (8,013 bytes)
11. Re: [RFI] grounding your ham equipment (score: 1): Author: rrath@charter.net; Date: Sat, 29 Jul 2006 09:13:42 -0700; I use insulated wire and the length is just what is needed to reach each item, plus 3". Rod _______________________________________________ RFI mailing list RFI@contesting.com http://lists.contesting; /archives//html/RFI/2006-07/msg00004.html (10,145 bytes)
12. Re: [RFI] grounding your ham equipment (score: 1): Author: rrath@charter.net; Date: Sat, 29 Jul 2006 21:57:21 -0700; Your right Tom. I just think I have been very lucky not to have had any problems with lightning for living here so long and next to the sub station that gets struck a lot. My ground system is not suf; /archives//html/RFI/2006-07/msg00016.html (9,889 bytes)
13. Re: [RFI] 115 KV Lines (score: 1): Author: rrath@charter.net; Date: Tue, 22 May 2007 21:02:46 -0700; Well there has been some good info given on this topic. All I have to offer is, I have lived about 300' from a power substation. Never really gave it any thought until I got my Ham ticket. Nothing bu; /archives//html/RFI/2007-05/msg00035.html (7,550 bytes)
14. [RFI] RFI from Astron power supply (score: 1): Author: rrath@charter.net; Date: Thu, 24 May 2007 21:30:01 -0700; Hello to the list. I have a 35 amp Astron power supply that is giving of RFI. This p.s. has had less than 20 hrs use. I am charge of the Ham radios for our EOC, where we use this p.s. I just had the; /archives//html/RFI/2007-05/msg00040.html (6,946 bytes)
15. Re: [RFI] RFI from Astron power supply (score: 1): Author: rrath@charter.net; Date: Fri, 25 May 2007 17:28:53 -0700; The model is RS-35m. I have not made contact with the company, I thought I would ask the people that use them first; to see what you have done to remedy your RFI problem - - what works and what does; /archives//html/RFI/2007-05/msg00048.html (8,381 bytes)
16. Re: [RFI] RFI from Astron power supply (score: 1): Author: rrath@charter.net; Date: Fri, 01 Jun 2007 22:27:48 -0700; I finally had the time to check out the power supply RFI. Very interesting what I found. Nothing wrong. I had 40 s-units of noise with the power supply and 40 s-units with the battery. Pulled the coa; /archives//html/RFI/2007-06/msg00000.html (6,257 bytes)
17. [RFI] Was RFI from Astron power supply (score: 1): Author: rrath@charter.net; Date: Sat, 09 Jun 2007 07:50:38 -0700; As my last update stated, the power supply is ok. Here is my last very short test I made yesterday before being called out to another fire. A local electrical company here ran a deticated outlet for; /archives//html/RFI/2007-06/msg00003.html (7,757 bytes)
18. Re: [RFI] Was RFI from Astron power supply (score: 1): Author: rrath@charter.net; Date: Sat, 09 Jun 2007 09:09:38 -0700; When I remove the coax from the radio it is fantastic, 0 S-units as of yesterday. I have not removed just the antenna and leave the coax attached yet. Rod ___________________________________________; /archives//html/RFI/2007-06/msg00005.html (6,753 bytes)
19. [RFI] I. C. E. products question (score: 1): Author: rrath@charter.net; Date: Mon, 31 Dec 2007 09:29:06 -0800; Go to this site: http://www.iceradioproducts.com/filtersrf.html#1 and look at the products. Any one using any of these items? If so, please contact me off list as I have questions for you. Thank you.; /archives//html/RFI/2007-12/msg00069.html (6,858 bytes)
20. [RFI] TV RFI (score: 1): Author: rrath@charter.net; Date: Sat, 26 Jan 2008 11:08:54 -0800; I am sure this topic has come up a lot, but I would like to put a different spin on it. What brand / type are you using? Does it work (does your XYL or neighbors like the results)? Would you recommen; /archives//html/RFI/2008-01/msg00055.html (7,234 bytes)

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