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141. [RFI] RFI (score: 1)
Author: Scott Yost via RFI <rfi@contesting.com>
Date: Wed, 3 May 2017 12:57:30 +0000 (UTC)
Good point made by WW3S.   I have a Sanyo TV that still emits RFI for at least 60 seconds after the breaker is turned off. Scott _______________________________________________ RFI mailing list RFI@c
/archives//html/RFI/2017-05/msg00011.html (6,968 bytes)

142. Re: [RFI] Polarization Tests (score: 1)
Author: JW via RFI <rfi@contesting.com>
Date: Tue, 13 Jun 2017 19:54:22 +0000 (UTC)
Interesting experiment and thank you for sharing. 1) I would note that the loop's null would be deeper if a shielded (or choked) pickup loop were used. I could not determine from pictures the exact c
/archives//html/RFI/2017-06/msg00024.html (8,379 bytes)

143. [RFI] Wide-area power pole arc-er found (score: 1)
Author: JW via RFI <rfi@contesting.com>
Date: Wed, 21 Jun 2017 22:05:54 +0000 (UTC)
About a week ago on a Friday a couple of us hams got together and tracked down a noisy power pole in the area. The pole turned out to be on South Fork ranch in Parker Texas north of Dallas. This sour
/archives//html/RFI/2017-06/msg00048.html (7,457 bytes)

144. Re: [RFI] death of plasma (score: 1)
Author: Bob via RFI <rfi@contesting.com>
Date: Thu, 3 Aug 2017 21:02:37 +0000 (UTC)
It is reasonable to assume that each situation will be could be different.  So protect yourself by preforming a scan of the neighborhood before inking a deal to purchase.  Good luck, om! 73 de Bob W7
/archives//html/RFI/2017-08/msg00009.html (11,531 bytes)

145. [RFI] RFI LEDs (score: 1)
Author: Warren Wolff via RFI <rfi@contesting.com>
Date: Tue, 15 Aug 2017 19:42:24 -0400
Greetings: Seems LEDs are smart; they work well in all applications here. For the garage door, I use 130 VAC incandescents for long life. Warren; W7WY _______________________________________________
/archives//html/RFI/2017-08/msg00028.html (6,361 bytes)

146. [RFI] Help Identifying RFI (score: 1)
Author: "Kam Sirag \(Yahoo\) via RFI" <rfi@contesting.com>
Date: Sun, 24 Sep 2017 21:32:05 -0600
Looking for some help with the following problem, if possible, (I'm going to 'throw a handful of rice at the side of the barn and see if any sticks' wrt to background information - just in case some
/archives//html/RFI/2017-09/msg00031.html (10,578 bytes)

147. Re: [RFI] Help Identifying RFI (score: 1)
Author: JW via RFI <rfi@contesting.com>
Date: Mon, 25 Sep 2017 13:56:02 +0000 (UTC)
Massive overkill IMO to stress the need for an SDR to accomplish this task. Find or buy a little battery powered Degen 1103 receiver and equip it with a small tuned loop for the band of interest. I w
/archives//html/RFI/2017-09/msg00036.html (14,455 bytes)

148. Re: [RFI] Pure water is an insulator (score: 1)
Author: nm8rmedic via RFI <rfi@contesting.com>
Date: Mon, 25 Sep 2017 12:43:49 -0400
IOW, you were borrowing the neutral of a neighbor - someone else who was on the same pole transformer.    How did you find the missing neutral problem?  Scott  From 1981 to around 2005 or so, the neu
/archives//html/RFI/2017-09/msg00039.html (7,304 bytes)

149. Re: [RFI] SO2R and 2nd harmonic (score: 1)
Author: JW via RFI <rfi@contesting.com>
Date: Mon, 25 Sep 2017 20:28:58 +0000 (UTC)
Do not overlook the amount of RF modulated by 60 and 120 Hz and harmonics thereof that are exiting the 'box' (RF amp, radio, etc.) via the POWER CABLING. While at Heathkit we nailed down an otherwise
/archives//html/RFI/2017-09/msg00044.html (11,480 bytes)

150. Re: [RFI] Help Identifying RFI (score: 1)
Author: JW via RFI <rfi@contesting.com>
Date: Mon, 25 Sep 2017 22:41:21 +0000 (UTC)
Well, maybe one's ears have gone bad limiting one's ability to note the noise characteristics. From the SDR spectrum displays I've seen one CANNOT note whether the carrier is AC line modulated or not
/archives//html/RFI/2017-09/msg00047.html (9,356 bytes)

151. [RFI] please remove me from the list (score: 1)
Author: Diane Ortiz via RFI <rfi@contesting.com>
Date: Thu, 5 Oct 2017 16:56:50 -0400
_______________________________________________ RFI mailing list RFI@contesting.com http://lists.contesting.com/mailman/listinfo/rfi
/archives//html/RFI/2017-10/msg00000.html (5,918 bytes)

152. Re: [RFI] Something is jamming 900mhz weather station (score: 1)
Author: JW via RFI <rfi@contesting.com>
Date: Sun, 8 Oct 2017 00:49:48 +0000 (UTC)
Here in this part of Texas -  the ONCOR electric delivery area - I would cite the Smart Meters which are QUITE chatty on 900 MHz. de Jim WB5WPA From: "qrv@kd4e.com" <qrv@kd4e.com> To: dalej <dj2001x@
/archives//html/RFI/2017-10/msg00008.html (10,022 bytes)

153. Re: [RFI] Something is jamming 900mhz weather station (score: 1)
Author: Jon Suehiro via RFI <rfi@contesting.com>
Date: Tue, 10 Oct 2017 18:13:37 +0000 (UTC)
900MHz ISM band is wild-west.As 900MHz Analog Cordless Telephone devices, typically902-905MHz and 925-928MHz are paired for full duplex channels.As initial 900MHz products, they were typically narrow
/archives//html/RFI/2017-10/msg00014.html (10,287 bytes)

154. [RFI] Noise Cancellers - RFI Survival Guide (score: 1)
Author: Tom Lewis via RFI <rfi@contesting.com>
Date: Sat, 11 Nov 2017 13:39:51 +0000 (UTC)
Does anyone know if this works? 73 Tom N4TL == Earlier this year, I published a series of articles on my web site called "Noise Cancellers - RFI Survival Guide". The purpose of this information was t
/archives//html/RFI/2017-11/msg00002.html (7,806 bytes)

155. Re: [RFI] Comcast - 80 meters rings phones (score: 1)
Author: Gary Smith via RFI <rfi@contesting.com>
Date: Sun, 19 Nov 2017 10:25:45 -0800
Wired or wireless?  Remote handsets? Which is it? Gary...wa6fgi He uses Comcast for internet, TV and phones. When he is on 80 meters, it rings the phones in his house. He hasn't tried anything, yet,
/archives//html/RFI/2017-11/msg00048.html (8,867 bytes)

156. Re: [RFI] RFI In My Shack (score: 1)
Author: Stephanie WX3K via RFI <rfi@contesting.com>
Date: Sat, 2 Dec 2017 13:02:55 -0500
A number of questions come to mind in order to understand your situation. Attempting to provide a solution for your printer directly is not addressing the root cause. 1) power level diffential betwee
/archives//html/RFI/2017-12/msg00002.html (10,392 bytes)

157. Re: [RFI] RFI In My Shack (score: 1)
Author: Stephanie WX3K via RFI <rfi@contesting.com>
Date: Sat, 2 Dec 2017 14:54:39 -0500
Pardon me for the spelling faux pas Differential Stephanie _______________________________________________ RFI mailing list RFI@contesting.com http://lists.contesting.com/mailman/listinfo/rfi
/archives//html/RFI/2017-12/msg00014.html (9,306 bytes)

158. Re: [RFI] Visualizing Line Noise (score: 1)
Author: JW via RFI <rfi@contesting.com>
Date: Wed, 13 Dec 2017 12:10:07 +0000 (UTC)
Here is _clear_ identification of a line noise source indicated by its synchronization with the AC line as seen on an oscilloscope triggered by the local AC line. A single cycle of 60 Hz line is also
/archives//html/RFI/2017-12/msg00046.html (9,835 bytes)

159. Re: [RFI] Visualizing Line Noise (score: 1)
Author: JW via RFI <rfi@contesting.com>
Date: Wed, 13 Dec 2017 12:26:52 +0000 (UTC)
Oops ... my bad .. The  'missing link' as it were: https://www.youtube.com/watch?v=C-S5ef-Ne6Y de Jim From: JW via RFI <rfi@contesting.com> To: "jim@audiosystemsgroup.com" <jim@audiosystemsgroup.com>
/archives//html/RFI/2017-12/msg00048.html (10,634 bytes)

160. Re: [RFI] Visualizing Line Noise (score: 1)
Author: JW via RFI <rfi@contesting.com>
Date: Wed, 13 Dec 2017 12:46:08 +0000 (UTC)
Oops ... my bad .. The  'missing link' as it were: https://www.youtube.com/watch?v=C-S5ef-Ne6Y de Jim From: JW via RFI <rfi@contesting.com> To: "jim@audiosystemsgroup.com" <jim@audiosystemsgroup.com>
/archives//html/RFI/2017-12/msg00049.html (10,201 bytes)


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