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References: [ +from:lhalvors@pppl.gov: 19 ]

Total 19 documents matching your query.

1. Re: [RFI] DSP for a noisy environment (score: 1)
Author: Leonard Halvorsen <lhalvors@pppl.gov>
Date: Fri, 21 Feb 2014 18:15:31 -0500
Is the station to which you refer located in some sort of local Federal Building up there in Albany? Maybe you could put some sort of small shield-room enclosure up on the roof. Put the station in th
/archives//html/RFI/2014-02/msg00118.html (12,340 bytes)

2. Re: [RFI] DSP for a noisy environment (score: 1)
Author: Leonard Halvorsen <lhalvors@pppl.gov>
Date: Fri, 21 Feb 2014 20:43:50 -0500
I was under the impression you worked for the NWS. _______________________________________________ RFI mailing list RFI@contesting.com http://lists.contesting.com/mailman/listinfo/rfi
/archives//html/RFI/2014-02/msg00121.html (9,658 bytes)

3. Re: [RFI] Thought you'd like to see this..... (score: 1)
Author: Leonard Halvorsen <lhalvors@pppl.gov>
Date: Fri, 21 Feb 2014 20:51:41 -0500
**Dale - I'm getting an E-mail Undeliverable error from my last reply to you.** It's an S-94,000E. 94 KW Plate Dissipation. Originally made by RCA, before they sold that division to Burle. It's a Tet
/archives//html/RFI/2014-02/msg00122.html (8,345 bytes)

4. Re: [RFI] 10 Meter Mystery Signals (score: 1)
Author: Leonard Halvorsen <lhalvors@pppl.gov>
Date: Tue, 25 Feb 2014 12:00:04 -0500
*Those CODAR systems are known to intrude on the bands from time-to-time.* *They're usually pretty good about getting off the band if someone complains.* *(Coastal Ocean Dynamics Artificial Aperture
/archives//html/RFI/2014-02/msg00132.html (10,092 bytes)

5. [RFI] Icom Switching Power Supplies (score: 1)
Author: Leonard Halvorsen <lhalvors@pppl.gov>
Date: Fri, 21 Mar 2014 20:29:10 -0400
*Has anyone noticed an increase in background noise in the ICOM PS-25 after it has had a chance to age for a while? I have one (of two) on which the noise has begun to creep up enough to be noticeabl
/archives//html/RFI/2014-03/msg00106.html (6,602 bytes)

6. Re: [RFI] 10M interference (score: 1)
Author: Leonard Halvorsen <lhalvors@pppl.gov>
Date: Mon, 8 Sep 2014 11:31:12 -0400
CODAR, Perhaps? They've snuck into the 12 & 10 Meter Bands in the past. _______________________________________________ RFI mailing list RFI@contesting.com http://lists.contesting.com/mailman/listinf
/archives//html/RFI/2014-09/msg00019.html (7,561 bytes)

7. [RFI] Icom PS-125 (score: 1)
Author: Leonard Halvorsen <lhalvors@pppl.gov>
Date: Fri, 19 Sep 2014 16:43:16 -0400
*Anyone out there using an ICOM PS-125 Power Supply?* *I have TWO. **They were bought within about 2 or 3 weeks of each other. I was very pleased with them when they were new, but they don't seem to
/archives//html/RFI/2014-09/msg00037.html (6,955 bytes)

8. Re: [RFI] Low RFI monitor (score: 1)
Author: Leonard Halvorsen <lhalvors@pppl.gov>
Date: Thu, 23 Oct 2014 11:29:35 -0400
Can you get inside the monitor case? If so, try putting some sticky-backed aluminum foil or copper foil on the interior of the case walls. Copper is better. You can solder to it. If possible, connect
/archives//html/RFI/2014-10/msg00042.html (7,755 bytes)

9. [RFI] MANCHESTER CODE? (score: 1)
Author: Leonard Halvorsen <lhalvors@pppl.gov>
Date: Tue, 9 Dec 2014 18:19:27 -0500
I am helping a friend (WZ1Q) track down this RFI on 80 meters. We have it recorded but the reflector will not accept an attachment. If anyone is interested in giving a listen, I have uploaded it. Her
/archives//html/RFI/2014-12/msg00021.html (7,185 bytes)

10. [RFI] Zapped (score: 1)
Author: Leonard Halvorsen <lhalvors@pppl.gov>
Date: Mon, 23 Feb 2015 12:56:58 -0500
*Might only be the power-supply, not actual RF.* *I have a SHARP Micro-Nuker.* *I can hear it on the 162 Mc. Wx Channels.* *My BROTHER ANSWERING/FAX/COPIER MACHINE puts quite a few spikes on 2 Meters
/archives//html/RFI/2015-02/msg00073.html (7,538 bytes)

11. [RFI] Fwd: (score: 1)
Author: Leonard Halvorsen <lhalvors@pppl.gov>
Date: Thu, 30 Jul 2015 17:45:21 -0400
Download Infographic: Tips & Tricks for Troubleshooting EMI http://info.tek.com/emi-tools-and-tips-infographic.html?mkt_tok=3RkMMJWWfF9wsRoluqXMe%2B%2FhmjTEU5z17%2BstWKGzlMI%2F0ER3fOvrPUfGjI4DSMBnPK
/archives//html/RFI/2015-07/msg00144.html (6,749 bytes)

12. [RFI] Light fixtures (score: 1)
Author: Leonard Halvorsen <lhalvors@pppl.gov>
Date: Tue, 28 Jun 2016 18:29:48 -0400
Has anyone been keeping a list of household light fixtures of various kinds that create RFI havoc ? Thanx, WA2AMW
/archives//html/RFI/2016-06/msg00069.html (6,865 bytes)

13. [RFI] Solar Inverter Company - Any guesses as to whether these are noisy or not? (score: 1)
Author: Leonard Halvorsen <lhalvors@pppl.gov>
Date: Thu, 25 Aug 2016 11:23:26 -0400
http://www.321gold.com/editorials/moriarty/moriarty081616.html _______________________________________________ RFI mailing list RFI@contesting.com http://lists.contesting.com/mailman/listinfo/rfi
/archives//html/RFI/2016-08/msg00144.html (6,955 bytes)

14. Re: [RFI] 40M QRM/RFI (score: 1)
Author: Leonard Halvorsen <lhalvors@pppl.gov>
Date: Fri, 12 Jan 2018 16:36:58 -0500
Are those 4 houses high-rent-district kind of places? Sounds like maybe a memory or sensor refresh on a security or fire detector system. _______________________________________________ RFI mailing l
/archives//html/RFI/2018-01/msg00015.html (8,778 bytes)

15. Re: [RFI] RTTY signal on 3595.5 kHz (score: 1)
Author: Leonard Halvorsen <lhalvors@pppl.gov>
Date: Thu, 25 Jan 2018 17:12:05 -0500
I'll listen for it tonight. Does anyone think it might be some sort of weird image? Many years ago I used to have solid copy of WCC (Cape Cod) on my AM Radio, and the station down in Tuckerton (here
/archives//html/RFI/2018-01/msg00062.html (10,746 bytes)

16. Re: [RFI] Wireless Power Transfer via 160 Meter Band (score: 1)
Author: Leonard Halvorsen <lhalvors@pppl.gov>
Date: Tue, 6 Feb 2018 17:14:50 -0500
Heavens-to-TESLA ! Texzon Technologies has been granted an FCC experimental license, callsign _______________________________________________ RFI mailing list RFI@contesting.com http://lists.contesti
/archives//html/RFI/2018-02/msg00041.html (7,157 bytes)

17. [RFI] The FCC's Class B Standards (score: 1)
Author: Leonard Halvorsen <lhalvors@pppl.gov>
Date: Tue, 20 Mar 2018 15:40:46 -0400
Has everyone come to the same conclusion... "*...**IF* you can find them." ??? [RFI] LED Bulb noise Eleta E12 I read a while ago that to avoid, or at least mitigate to great extent, interference, an
/archives//html/RFI/2018-03/msg00068.html (10,516 bytes)

18. Re: [RFI] New solar at neighbors. (score: 1)
Author: Leonard Halvorsen <lhalvors@pppl.gov>
Date: Fri, 6 Jul 2018 21:36:06 -0400
Wasn't there an e-mail quite some months ago that mentioned the name of an FCC administrator (or some such thing) who was looking for referrals of solar system RFI complaints? I got the impression th
/archives//html/RFI/2018-07/msg00037.html (9,150 bytes)

19. [RFI] Optimizers & thje FCC (score: 1)
Author: Leonard Halvorsen <lhalvors@pppl.gov>
Date: Fri, 13 Jul 2018 18:58:54 -0400
About a week ago a past e-mail from an FCC official was repeated in this forum, which *asked for *information/complaints regarding RFI from solar installations. I read, almost every day, about proble
/archives//html/RFI/2018-07/msg00091.html (7,469 bytes)


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