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References: [ +from:jim@jtmiller.com: 17 ]

Total 17 documents matching your query.

1. [RFI] Interesting thing came in email today (score: 1)
Author: Jim Miller <jim@jtmiller.com>
Date: Tue, 3 Dec 2013 20:49:30 -0500
Note claimed low rfi: http://www.linear.com/product/LT8614?utm_medium=email&utm_source=transactional&utm_campaign=LT_Insider jim ab3cv _______________________________________________ RFI mailing list
/archives//html/RFI/2013-12/msg00046.html (6,564 bytes)

2. [RFI] RFI hunting on 160: TH-F6a? (score: 1)
Author: Jim Miller <jim@jtmiller.com>
Date: Mon, 29 Dec 2014 14:50:19 -0500
I'm trying to track down some RFI on 160 and eventually 80, 40, etc. 160 is my focus right now and I'm finding my little VR-500 to be pretty useless and will soon sell it. I recently purchased a Tecs
/archives//html/RFI/2014-12/msg00032.html (6,927 bytes)

3. Re: [RFI] RFI hunting on 160: TH-F6a? (score: 1)
Author: Jim Miller <jim@jtmiller.com>
Date: Tue, 30 Dec 2014 14:11:16 -0500
I've built up a ferrite rod antenna (~ 7.5" x 0.5" ) and tuned it with a 365pf variable with a vernier dial. It resonates from about 800Khz to 3000Khz so nicely covers my current problem area. Easy t
/archives//html/RFI/2014-12/msg00035.html (8,293 bytes)

4. Re: [RFI] RFI Digest, Vol 149, Issue 6 (score: 1)
Author: Jim Miller <jim@jtmiller.com>
Date: Fri, 19 Jun 2015 12:19:54 -0400
I'm in the process of trying to do just that with the SDR stick from Nooelec including their upconverter. Parts should be here next week. Still trying to figure out what tablet or laptop to use with
/archives//html/RFI/2015-06/msg00015.html (8,089 bytes)

5. Re: [RFI] RFI Digest, Vol 149, Issue 6 (score: 1)
Author: Jim Miller <jim@jtmiller.com>
Date: Fri, 19 Jun 2015 19:02:02 -0400
I'll post on RFI as well. 73 jim ab3cv On Fri, Jun 19, 2015 at 7:00 PM, Kenneth G. Gordon <kgordon2006@frontier.com _______________________________________________ RFI mailing list RFI@contesting.com
/archives//html/RFI/2015-06/msg00018.html (8,281 bytes)

6. [RFI] Chasing RFI on 6M (score: 1)
Author: Jim Miller <jim@jtmiller.com>
Date: Mon, 21 Dec 2015 15:18:10 -0500
I have a 10db increase in noise on 6 meters to the east as compared to my west. This obviously isn't good when trying to work EU terrestrially or via EME at moonrise. I have already completed a full
/archives//html/RFI/2015-12/msg00078.html (7,233 bytes)

7. [RFI] Mobile K3s/P3 RX only? (score: 1)
Author: Jim Miller <jim@jtmiller.com>
Date: Sun, 25 Dec 2016 13:57:19 -0500
I'm trying to put together an RFI hunting package with my SDRPlay and HDSDR running on a tablet. The software runs fine but is a bit clunky on a tablet. Several settings still require a bluetooth mou
/archives//html/RFI/2016-12/msg00088.html (7,463 bytes)

8. [RFI] Geothermal WaterFurnace 5 Series (score: 1)
Author: Jim Miller <jim@jtmiller.com>
Date: Thu, 7 Jun 2018 15:39:17 -0400
We're getting a quote on a WaterFunace 5 Series geothermal installation to replace an old furnace. Anyone have any RFI experience with this unit? Thanks Jim ab3cv ____________________________________
/archives//html/RFI/2018-06/msg00008.html (6,338 bytes)

9. Re: [RFI] Geothermal WaterFurnace 5 Series (score: 1)
Author: Jim Miller <jim@jtmiller.com>
Date: Sat, 9 Jun 2018 08:42:57 -0400
It will be both a heating and cooling unit. jim ab3cv _______________________________________________ RFI mailing list RFI@contesting.com http://lists.contesting.com/mailman/listinfo/rfi
/archives//html/RFI/2018-06/msg00015.html (7,411 bytes)

10. [RFI] Fwd: LG Range RFI (score: 1)
Author: Jim Miller <jim@jtmiller.com>
Date: Thu, 29 Nov 2018 14:38:23 -0500
After doing a whole house shutdown I've identified our LG electric range (LDE3017ST) as the culprit producing strong RFI on 80m across the whole band. My antennas are 100ft or more away from the hous
/archives//html/RFI/2018-11/msg00113.html (7,845 bytes)

11. Re: [RFI] LG Range RFI (score: 1)
Author: Jim Miller <jim@jtmiller.com>
Date: Thu, 6 Dec 2018 11:23:32 -0500
Service techs just left after spending about an hour trying to determine the source of the RFI from the LG range. It appears the RFI is generated by the switching power supply. Not clear at all why t
/archives//html/RFI/2018-12/msg00026.html (9,514 bytes)

12. [RFI] 160 noise resolution (score: 1)
Author: Jim Miller <jim@jtmiller.com>
Date: Mon, 3 Feb 2020 11:01:18 -0500
I've had since moving to my new QTH a cycling RFI that sounded like arcing and spectral plots confirmed harmonics of 60hz. This only occurred after sunset and quit at sunrise so I suspected it would
/archives//html/RFI/2020-02/msg00010.html (7,959 bytes)

13. [RFI] Variable Speed motors not all noisy (score: 1)
Author: Jim Miller <jim@jtmiller.com>
Date: Tue, 25 May 2021 15:02:24 -0400
I have a WaterFurnace brand geothermal system which has a variable speed motors. I operate 160-6m including 6m EME and have never noticed my noise floor affected by the unit as it ran steady or moved
/archives//html/RFI/2021-05/msg00103.html (6,932 bytes)

14. [RFI] Useful perhaps for others: audio correlation (score: 1)
Author: Jim Miller <jim@jtmiller.com>
Date: Sat, 21 Aug 2021 10:52:22 -0400
Yesterday I tried out my idea of correlating RFI heard at the pole with my 2m HT/Yagi with the RFI heard by my K4/7LFA on 6m. I did this by running Chrome remote desktop on the PC in the shack and Ch
/archives//html/RFI/2021-08/msg00087.html (7,782 bytes)

15. Re: [RFI] HVAC - some observations (score: 1)
Author: Jim Miller <jim@jtmiller.com>
Date: Mon, 25 Jul 2022 15:05:53 -0400
FYI my WaterFurnace geothermal system has both variable speed motors throughout and is RFI quiet. https://www.waterfurnace.com/residential/ jim ab3cv _______________________________________________ R
/archives//html/RFI/2022-07/msg00063.html (7,072 bytes)

16. [RFI] Tiny SA Ultra with DXE Flag and Preamp? (score: 1)
Author: Jim Miller <jim@jtmiller.com>
Date: Mon, 11 Sep 2023 17:42:31 -0400
I've got a TinySA Ultra and recently purchased the DXE Flag by WD8DSB and Preamp. I'm wondering if the combination will be adequately sensitive or should I use some other receiver? Thanks Jim ab3cv _
/archives//html/RFI/2023-09/msg00024.html (6,529 bytes)

17. Re: [RFI] Tiny SA Ultra with DXE Flag and Preamp? (score: 1)
Author: Jim Miller <jim@jtmiller.com>
Date: Wed, 13 Sep 2023 22:58:46 -0400
Don Thanks for the detailed advice! Ill dig out my RSP2pro and perhaps get a windows tablet. I have a laptop to get started with but its a bit clumsy to walk with. Thanks! Jim _______________________
/archives//html/RFI/2023-09/msg00026.html (11,784 bytes)

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