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Total 19 documents matching your query.

1. [RFI] Difficult power line RFI find. (score: 1): Author: Don Kirk <wd8dsb@gmail.com>; Date: Tue, 9 Mar 2021 19:27:11 -0500; Just thought I should share something that was a first for me when tracking down power line RFI and man it was frustrating, and I have tracked down a lot of powerline RFI. I noticed some weak RFI at; /archives//html/RFI/2021-03/msg00014.html (11,270 bytes)
2. Re: [RFI] Difficult power line RFI find. (score: 1): Author: Dave Cole <dave@nk7z.net>; Date: Tue, 9 Mar 2021 16:54:59 -0800; Hi Don, Thanks for sharing! It was good to see you using the FLAG... I may build one after seeing the nice null... I like the choke you have on the handle!! :) 73, and thanks, Dave (NK7Z) https://www; /archives//html/RFI/2021-03/msg00015.html (11,729 bytes)
3. Re: [RFI] Difficult power line RFI find. (score: 1): Author: K9MA <k9ma@sdellington.us>; Date: Tue, 9 Mar 2021 23:07:26 -0600; I presume that you know that was the right source because the problem went away after it was fixed. However, you don't say how you knew you were tracking the right source earlier. I've also tracked a; /archives//html/RFI/2021-03/msg00016.html (12,195 bytes)
4. Re: [RFI] Difficult power line RFI find. (score: 1): Author: Don Kirk <wd8dsb@gmail.com>; Date: Wed, 10 Mar 2021 03:19:17 -0500; Hi Scott, Great point and I normally try and match up fluctuations when possible but I cant be certain on this one as it did not fluctuate (it was on constant versus the easy find I had 2 days earlie; /archives//html/RFI/2021-03/msg00018.html (16,955 bytes)
5. Re: [RFI] Difficult power line RFI find. (score: 1): Author: "EDWARDS, EDDIE J via RFI" <rfi@contesting.com>; Date: Wed, 10 Mar 2021 15:49:20 +0000; Don, Great story! Thanks for sharing. We had a very similar experience near my QTH several years ago affecting my home location and also another ham on about a mile north of me. Only difference was i; /archives//html/RFI/2021-03/msg00019.html (10,283 bytes)
6. Re: [RFI] Difficult power line RFI find. (score: 1): Author: Hisashi T Fujinaka <htodd@twofifty.com>; Date: Wed, 10 Mar 2021 08:22:07 -0800 (PST); Nice work! I've lost steam now that I'm just using FT8 and don't have to listen to the radio. I'm also in the middle of town and have given up on tracking down noisy houses. I tended to use MFJ equip; /archives//html/RFI/2021-03/msg00020.html (8,455 bytes)
7. Re: [RFI] Difficult power line RFI find. (score: 1): Author: Dave <rocketnj@gmail.com>; Date: Wed, 10 Mar 2021 11:22:55 -0500; Gentlemen, I want to thank everyone for their insights and contribution to this list. I have been getting power line noise for a few years here. It is pronounced when sunny and dry then wind picks up; /archives//html/RFI/2021-03/msg00021.html (13,005 bytes)
8. Re: [RFI] Difficult power line RFI find. (score: 1): Author: donovanf@erols.com; Date: Wed, 10 Mar 2021 11:53:30 -0500 (EST); This is my tough RFI case story. Prior to the ARRL CW DX Contest about ten years ago S9 continuous day and night RFI appeared but only on 160 meters. There was no trace of RFI on any other band. It w; /archives//html/RFI/2021-03/msg00022.html (11,115 bytes)
9. Re: [RFI] Difficult power line RFI find. (score: 1): Author: AA5CT via RFI <rfi@contesting.com>; Date: Wed, 10 Mar 2021 16:56:28 +0000 (UTC); Gents, I go on signal strength too WHEN I find a line noise source. If a 'source' on 80 or 160 can be heard over a 1/2 or a mile away it will have a correspondingly STRONG local signature when feet f; /archives//html/RFI/2021-03/msg00023.html (19,985 bytes)
10. Re: [RFI] Difficult power line RFI find. (score: 1): Author: Don Kirk <wd8dsb@gmail.com>; Date: Wed, 10 Mar 2021 12:18:20 -0500; Hi Eddie, Thanks for sharing your very similar story, and very interesting based on the configuration of lines I was dealing with. As a matter of fact I was using Google Earth this morning to look at; /archives//html/RFI/2021-03/msg00024.html (13,634 bytes)
11. Re: [RFI] Difficult power line RFI find. (score: 1): Author: Bill Steffey NY9H <ny9h@arrl.net>; Date: Wed, 10 Mar 2021 12:27:19 -0500; i have two mfj vhf noise receivers... the dipole version ... not even the beam VERY useful.//// even without a balun ( to make it a more perfect pattern ) Years ago in Chicago, a guy from the; /archives//html/RFI/2021-03/msg00025.html (9,668 bytes)
12. Re: [RFI] Difficult power line RFI find. (score: 1): Author: K9MA <k9ma@sdellington.us>; Date: Wed, 10 Mar 2021 14:14:30 -0600; Hi Don, I've had some of those very constant sources, which makes tracking harder. Usually, they eventually go into some kind of fluctuations, often subtle ones. In my case, identifying the right sou; /archives//html/RFI/2021-03/msg00029.html (20,022 bytes)
13. Re: [RFI] Difficult power line RFI find. (score: 1): Author: K9MA <k9ma@sdellington.us>; Date: Wed, 10 Mar 2021 14:21:26 -0600; If your local utility is cooperative, they may share with you maps of their distribution lines. 73, Scott K9MA Thanks for sharing your very similar story, and very interesting based on the configurat; /archives//html/RFI/2021-03/msg00030.html (13,675 bytes)
14. Re: [RFI] Difficult power line RFI find. (score: 1): Author: Don Kirk <wd8dsb@gmail.com>; Date: Tue, 16 Mar 2021 11:51:13 -0400; Hi Scott and gang, Thought I would provide a status report on this case, and also provide a warning to others regarding something I did which I certainly don't condone (I'm certainly not proud of wha; /archives//html/RFI/2021-03/msg00036.html (20,978 bytes)
15. Re: [RFI] Difficult power line RFI find. (score: 1): Author: "EDWARDS, EDDIE J via RFI" <rfi@contesting.com>; Date: Tue, 16 Mar 2021 18:47:17 +0000; Don, Since this is an obvious public safety situation, I would have called their main trouble reporting telephone line or even 911 and reported a power-line was down. It should not have been left in; /archives//html/RFI/2021-03/msg00037.html (12,946 bytes)
16. Re: [RFI] Difficult power line RFI find. (score: 1): Author: Don Kirk <wd8dsb@gmail.com>; Date: Tue, 16 Mar 2021 15:21:55 -0400; Hi Eddie, Google earth showed these guy wires were wrapped around the pole dating back to at least 2019. I was in direct communications with a high level manager at AES and told him details about the; /archives//html/RFI/2021-03/msg00038.html (14,037 bytes)
17. Re: [RFI] Difficult power line RFI find. (score: 1): Author: K9MA <k9ma@sdellington.us>; Date: Thu, 18 Mar 2021 00:07:20 -0500; Hi Don, Aside from the safety issue, any time you find metal on metal contact near a power line, without secure bonding, you have a potential noise source. One example I found was a lateral guy touch; /archives//html/RFI/2021-03/msg00044.html (23,061 bytes)
18. Re: [RFI] Difficult power line RFI find. (score: 1): Author: "Hare, Ed, W1RFI" <w1rfi@arrl.org>; Date: Thu, 18 Mar 2021 07:06:38 +0000; No chiding, but this does represent a good example of how some RFI problems can represent important maintenance issues. Even the neutral is not safe. If there is a problem with a transformer ground a; /archives//html/RFI/2021-03/msg00045.html (25,901 bytes)
19. Re: [RFI] Difficult power line RFI find. (score: 1): Author: Michael Coslo <mjcn3li@nittany-arc.net>; Date: Thu, 18 Mar 2021 10:12:46 -0400; So true, Ed! Before we gutted our mountaintop stations antiquated electrical system, we lost a neutral. And one side of the building went to 80 volts, and the other to 160 volts. In a miracle, I happ; /archives//html/RFI/2021-03/msg00046.html (27,919 bytes)

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