- 1. Re: [RFI] More on BPL (score: 1)
- Author: Martin Ewing <martin@aa6e.net>
- Date: Fri, 13 Feb 2004 09:21:01 -0500
- As Deep Throat said, "follow the money". Words don't mean much, alas. I am writing my letter to the Times. I hope many others will write them or other media sources to help our message along. -Martin
- /archives//html/RFI/2004-02/msg00076.html (8,819 bytes)
- 2. Re: [RFI] BPL--FCC Proposed Rules//We Need to Respond (score: 1)
- Author: Martin Ewing <martin@aa6e.net>
- Date: Fri, 05 Mar 2004 16:06:13 -0500
- We set up a carrier current AM system at our college in the 1960's. It had (IIRC) a 5 watt 540 kHz transmitter installed in each dormitory and coupled to the AC downstream from the pole transformer,
- /archives//html/RFI/2004-03/msg00014.html (10,490 bytes)
- 3. Re: [RFI] 120v halogen lights (score: 1)
- Author: Martin Ewing <martin@aa6e.net>
- Date: Sun, 04 Apr 2004 12:58:38 -0400
- OK, I've heard this said before. But inquiring minds want to know: why should DC be worse than AC for lifetime in lighting applications? I seem to recall it was an issue for vacuum tube filaments, pr
- /archives//html/RFI/2004-04/msg00015.html (8,343 bytes)
- 4. Re: [RFI] 120v halogen lights (score: 1)
- Author: Martin Ewing <martin@aa6e.net>
- Date: Tue, 06 Apr 2004 12:59:54 -0400
- Interesting, if OT. The effect may be real, but I am trying see the physics. The E-field seems too small to push W atoms around. They are neutral. But maybe there's a slight ionization. Or momentum t
- /archives//html/RFI/2004-04/msg00024.html (9,294 bytes)
- 5. [RFI] Ethernet gear (score: 1)
- Author: Martin Ewing <martin@aa6e.net>
- Date: Thu, 27 May 2004 11:15:03 -0400
- Interesting post by KC2MMI over at eHam -- http://www.eham.net/articles/8302 -- about RFI troubles from Linksys Ethernet gear. (Good luck getting any FCC action!) I've had trouble from some Ethernet
- /archives//html/RFI/2004-05/msg00181.html (7,692 bytes)
- 6. [RFI] Ethernet, radio astronomy, and electric fences (score: 1)
- Author: Martin Ewing <martin@aa6e.net>
- Date: Fri, 28 May 2004 12:01:36 -0400
- Folks, Fraser Robertson, G4BJM, kindly supplied some real Ethernet spectrum measurements which I've posted at my RFI web page -- www.aa6e.net/aa6e/rfi . The group might also be interested in the link
- /archives//html/RFI/2004-05/msg00185.html (6,803 bytes)
- 7. [RFI] Re: Interference Database - Ether RFI (score: 1)
- Author: Martin Ewing <martin@aa6e.net>
- Date: Sat, 31 Jul 2004 15:02:00 -0400
- Jim, Did I miss something on the list? What database is this? I am also interested in Ethernet RFI, and I have a small article on it at http://www.aa6e.net/aa6e/rfi/index.html. If you look closely, t
- /archives//html/RFI/2004-07/msg00189.html (8,258 bytes)
- 8. RE: [RFI] ECM...etc. (score: 1)
- Author: Martin Ewing <martin@aa6e.net>
- Date: Sat, 04 Sep 2004 12:13:34 -0400
- Our CT power company just installed a load-shedding device on our air conditioning compressor that lets them shut us off when they reach capacity. They give us $20 a year for our kindness. We had a s
- /archives//html/RFI/2004-09/msg00022.html (7,061 bytes)
- 9. Re: Re: [RFI] 160 Meter Interference (score: 1)
- Author: Martin Ewing <martin@aa6e.net>
- Date: Wed, 6 Oct 2004 08:15:06 -0700 (PDT)
- I don't think I've ever seen a 160 meter beam, but I'd sure like to. :-) Ferri-loopsticks are more practical... -Martin _______________________________________________ RFI mailing list RFI@contesting
- /archives//html/RFI/2004-10/msg00014.html (8,594 bytes)
- 10. [RFI] RFI vs QRO? (score: 1)
- Author: Martin Ewing <martin@aa6e.net>
- Date: Fri, 22 Oct 2004 09:07:53 -0700 (PDT)
- I was going to reply to a recent question about how to handle RFI along the following lines: The cheapest and most reliable way to reduce RFI is to reduce Tx power. That's not intended to be snide, e
- /archives//html/RFI/2004-10/msg00088.html (7,124 bytes)
- 11. RE: [RFI] RFI vs QRO? (score: 1)
- Author: Martin Ewing <martin@aa6e.net>
- Date: Fri, 22 Oct 2004 11:49:36 -0700 (PDT)
- Well, most of my QSO's are with DX stations where BPL will be slower to arrive! Meanwhile, I'll have to play anti-BPL DSP tricks with my Rx. A new industry, there. I wonder if non-BPL remote base (or
- /archives//html/RFI/2004-10/msg00095.html (8,066 bytes)
- 12. [RFI] Cringely on BPL & ARRL (score: 1)
- Author: Martin Ewing <martin@aa6e.net>
- Date: Fri, 22 Oct 2004 12:36:59 -0700 (PDT)
- I don't think I've seen Bob Cringely's article cited here: http://www.pbs.org/cringely/pulpit/pulpit20041021.html He implies that ARRL is now cool with the FCC decision on BPL, which seems dubious to
- /archives//html/RFI/2004-10/msg00099.html (7,045 bytes)
- 13. [RFI] RFI / Band Monitor (score: 1)
- Author: Martin Ewing <martin@aa6e.net>
- Date: Fri, 5 Nov 2004 12:44:02 -0800 (PST)
- Folks, I have been working on a semi-realtime band monitor system, and there are some early results at www.aa6e.net/aa6e/rfi/monitor.html. I am recording what happens on 40 & 20 M in 2 kHz channels i
- /archives//html/RFI/2004-11/msg00002.html (7,323 bytes)
- 14. Re: [RFI] DSC Alarm Panel 75 Meters/False Alarms (score: 1)
- Author: Martin Ewing <martin@aa6e.net>
- Date: Wed, 17 Nov 2004 06:58:07 -0800 (PST)
- I think the big issue here is not how to fix the RFI problem. (The RFC/cap approach might well work, or ferrites, or twisted pair.) But it's who's responsible. If you start doing the alarm company's
- /archives//html/RFI/2004-11/msg00043.html (14,770 bytes)
- 15. Re: [RFI] Ethernet RFI Elimination? (score: 1)
- Author: Martin Ewing <martin@aa6e.net>
- Date: Tue, 30 Nov 2004 07:28:40 -0800 (PST)
- There are spurs everywhere, if you look deeply enough, like every 32 kHz. See http://www.aa6e.net/aa6e/rfi/ether_details.html I have tried the following - -Used Cat5 shielded twisted pair -Wrapped 5
- /archives//html/RFI/2004-11/msg00065.html (8,635 bytes)
- 16. [RFI] ready-made filters? (score: 1)
- Author: Martin Ewing <martin@aa6e.net>
- Date: Wed, 1 Dec 2004 17:52:11 -0800 (PST)
- Folks, We seem to spend a lot of energy talking about winding cables around ferrite cores for ad hoc interference suppression. I wonder if there are ready-made solutions that aren't too pricey. I'm t
- /archives//html/RFI/2004-12/msg00001.html (7,270 bytes)
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