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1. Re: [RFI] [Magic Band EME] site test of LED 4 foot T8 tube lights (score: 1): Author: donovanf@erols.com; Date: Sat, 18 Jul 2020 13:21:39 -0400 (EDT); Hi Dave, I replaced 30 florescent lamps in my shack and workshop: www.hyperikon.com/led-lighting/t8-led-tube-light-bulb-4ft-single-end-powered-ballast-bypass-clear/ The RFI silence is deafening! Than; /archives//html/RFI/2020-07/msg00019.html (12,098 bytes)
2. Re: [RFI] Fios RFI Issues? (score: 1): Author: donovanf@erols.com; Date: Fri, 24 Jul 2020 17:49:36 -0400 (EDT); All of my FioS related equipment is RFI quiet. YMMV 73 Frank W3LPL -- Original Message -- Hi Tony The Fios equipment here has been very quite. Next week changing the router, dot and the set boxes to; /archives//html/RFI/2020-07/msg00022.html (7,764 bytes)
3. Re: [RFI] Green Wire RFI (score: 1): Author: donovanf@erols.com; Date: Sun, 15 Nov 2020 15:36:43 -0500 (EST); Hi Scott, A much better idea is to invest some time resolving the RFI... If you you have an EE degree or you're a licensed electrician you understand both RFI and the consequences of ground faults al; /archives//html/RFI/2020-11/msg00031.html (9,429 bytes)
4. Re: [RFI] 27 MHz band-pass filters? (score: 1): Author: donovanf@erols.com; Date: Thu, 19 Nov 2020 18:20:33 -0500 (EST); Low Band Systems sells a 1500 watt 11 meter bandpass filter Band Pass Filter ŤPerfo Box-1500ť, 1500W ICAS, CB band, 27 MHz SKU PB-F1500-27CB 280 Euros https://lowbandsystems.com/collection/filters?pa; /archives//html/RFI/2020-11/msg00047.html (8,179 bytes)
5. Re: [RFI] coax shield outside impedance? (score: 1): Author: donovanf@erols.com; Date: Wed, 25 Nov 2020 17:45:46 -0500 (EST); Hi Dave, Burial prevents common mode radiation onto the the buried portion of the feed line. This is an excellent common mode suppression technique for very low signal level receiving antennas such a; /archives//html/RFI/2020-11/msg00066.html (9,935 bytes)
6. Re: [RFI] New HDTV Purchase - What to Avoid? (score: 1): Author: donovanf@erols.com; Date: Wed, 9 Dec 2020 13:22:07 -0500 (EST); I've never noticed RFI from my LG OLED TV Fortunately my neighbor retired his plasma TV last year. It was a horrific RFI generator 73 Frank W3LPL -- Original Message -- MY UNDERSTANDING is that OLED; /archives//html/RFI/2020-12/msg00017.html (9,308 bytes)
7. Re: [RFI] QUESTION (score: 1): Author: donovanf@erols.com; Date: Tue, 22 Dec 2020 16:53:34 -0500 (EST); Hi Gary, The process for identifying this type of RFI is the same as for any other RFI, except you need to use your transmitter to excite the RFI generating source. First verify that the RFI is not c; /archives//html/RFI/2020-12/msg00107.html (10,235 bytes)
8. Re: [RFI] Pole mounted lightning arresters? (score: 1): Author: donovanf@erols.com; Date: Mon, 11 Jan 2021 15:27:53 -0500 (EST); Thankfully my utility is very responsive to RFI complaints. Lightning arrestors have been the most frequent cause of RFI in my area. When my RFI investigator locates a faulty lightning arrester he di; /archives//html/RFI/2021-01/msg00037.html (11,361 bytes)
9. Re: [RFI] Pole mounted lightning arresters? (score: 1): Author: donovanf@erols.com; Date: Tue, 12 Jan 2021 00:14:16 -0500 (EST); Hi Pete, Electric fence chargers can fail in continuous-on state. All of the signatures are the same as power line noise except the upper frequency range is much more limited, 73 Frank W3LPL -- Origi; /archives//html/RFI/2021-01/msg00054.html (11,009 bytes)
10. Re: [RFI] Pole mounted lightning arresters? (score: 1): Author: donovanf@erols.com; Date: Tue, 12 Jan 2021 11:16:27 -0500 (EST); Hi Steve, AFAIK the DX record for power line RFI is held by K3ZM. My four mile record pales in comparison to Peter's record. Peter's Chesapeake Bay QTH is 25 miles across salt water from the eastern; /archives//html/RFI/2021-01/msg00060.html (12,873 bytes)
11. 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)
12. Re: [RFI] New Interference at kk0sd (score: 1): Author: donovanf@erols.com; Date: Sun, 21 Mar 2021 14:18:42 -0400 (EDT); Hi Gary, In my opinion your next step is some kind of directive antenna so you can start narrowing down the location of your RFI A simple three element 6 meter Yagi might be a good start. W3KX mounte; /archives//html/RFI/2021-03/msg00052.html (8,215 bytes)
13. Re: [RFI] RF Exposure Radiation Study (score: 1): Author: donovanf@erols.com; Date: Sat, 27 Mar 2021 12:48:10 -0400 (EDT); Does anyone know of any business that does RF exposure radiation studies in the 3-30 MHz range, possibly at multiple locations? 73 Frank W3LPL _______________________________________________ RFI mail; /archives//html/RFI/2021-03/msg00128.html (6,383 bytes)
14. Re: [RFI] LED lighting fixtures - (score: 1): Author: donovanf@erols.com; Date: Mon, 24 May 2021 12:25:20 -0400 (EDT); Hi Don, I replaced 24 florescent tubes with Hyperikon LED tubes:: www.hyperikon.com/content/specs/841X00XXX-XPack.pdf I've never heard a trace of RFI from them. The electronic ballasts for my floresc; /archives//html/RFI/2021-05/msg00071.html (11,211 bytes)
15. Re: [RFI] DFing intermittent connection (score: 1): Author: donovanf@erols.com; Date: Sun, 8 Aug 2021 17:24:22 -0400 (EDT); Hi Steve, Does the RFI affect only one antenna on receive or multiple antennas? Suggest you have someone visit your shack and listen on the harmonic frequency and observe your spectrum display on the; /archives//html/RFI/2021-08/msg00018.html (11,117 bytes)
16. Re: [RFI] DFing intermittent connection (score: 1): Author: donovanf@erols.com; Date: Mon, 9 Aug 2021 17:25:58 -0400 (EDT); Hi Steve, Do you hear this RFI on every antenna? Does it occur on only one transmitting antenna? Small "magnetic loops" are excellent for local DFing and you can build one in about an hour 73 Frank W; /archives//html/RFI/2021-08/msg00022.html (13,507 bytes)
17. Re: [RFI] DFing intermittent connection (score: 1): Author: donovanf@erols.com; Date: Mon, 16 Aug 2021 13:32:12 -0400 (EDT); Jim, Please ignore Scott's advice, it will cause tower corrosion and quickly fail 73 Frank W3LPL -- Original Message -- Or just use the braid from some RG8 and a couple hose clamps. -- Scott Ellingto; /archives//html/RFI/2021-08/msg00066.html (11,322 bytes)
18. Re: [RFI] DFing intermittent connection (score: 1): Author: donovanf@erols.com; Date: Mon, 16 Aug 2021 16:09:07 -0400 (EDT); Hi Jim, The wisdom of using RG-8 for this application is not apparent to me. Why not use an appropriate solid or stranded wire with lugs on each end? 73 Frank W3LPL -- Original Message -- I had envis; /archives//html/RFI/2021-08/msg00070.html (12,393 bytes)
19. Re: [RFI] DFing intermittent connection (score: 1): Author: donovanf@erols.com; Date: Mon, 16 Aug 2021 16:16:47 -0400 (EDT); Jim, It was a terrible idea and its still a terrible idea. RG-8 uses braid not stranded wire. Braid is an inappropriate choice 73 Frank W3LPL -- Original Message -- Mostly just a convenient source of; /archives//html/RFI/2021-08/msg00072.html (12,975 bytes)
20. Re: [RFI] DFing intermittent connection (score: 1): Author: donovanf@erols.com; Date: Mon, 16 Aug 2021 17:44:51 -0400 (EDT); Hi Scott, Braid is always a poor choice outdoors unless its under pressure and protected from moisture such as inside jacketed coax cable When its no longer under pressure and protected from moisture; /archives//html/RFI/2021-08/msg00075.html (12,457 bytes)

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