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Total 103 documents matching your query.

81. Re: [RFI] Looking for explanation... (score: 1)
Author: Bill Steffey NY9H <ny9h@arrl.net>
Date: Fri, 26 Jun 2020 20:14:48 -0400
when I lived in suburban chicago, I asked my neighbor if she did treadmill & TV at 11AM.... sure enough  OPRAH and what the bedroom plasma did not distroy her treadmill did. My tower was way out in t
/archives//html/RFI/2020-06/msg00035.html (8,493 bytes)

82. Re: [RFI] LED RFI solved (score: 1)
Author: Bill Steffey NY9H <ny9h@arrl.net>
Date: Sat, 22 Aug 2020 16:42:06 -0400
I looked at their website at many of their power supplies. While they all have FCC ...non have EU.     The Meanwells have EU.  I think the EU standard is either much cleaner spec OR it is enforced, w
/archives//html/RFI/2020-08/msg00021.html (10,045 bytes)

83. Re: [RFI] 2 MW Solar Farm (score: 1)
Author: Bill Steffey NY9H <ny9h@arrl.net>
Date: Mon, 21 Sep 2020 14:30:05 -0400
i would say it depends which manufacturer makes the controllers/inverters...... take a drive by, and hope it's made and certified in EU. Kim N5OP "People that make music together cannot be enemies, a
/archives//html/RFI/2020-09/msg00079.html (7,975 bytes)

84. Re: [RFI] 2 MW Solar Farm (score: 1)
Author: Bill Steffey NY9H <ny9h@arrl.net>
Date: Tue, 22 Sep 2020 15:16:06 -0400
take measurements NOW before they turn it on...      broadcast AM thru 50 mhz.... then  duck bill ny9h      with a mere little 10KW system  with zero noise I have a  RSPduo SDRplay and Kenwood TH-D74
/archives//html/RFI/2020-09/msg00096.html (15,092 bytes)

85. Re: [RFI] RFI Clean Audio Amplifiers For Amateur Use? (score: 1)
Author: Bill Steffey NY9H <ny9h@arrl.net>
Date: Wed, 21 Oct 2020 08:51:58 -0400
mostly   profit margin,,,,,, 73 Rob K5UJ _______________________________________________ RFI mailing list RFI@contesting.com http://lists.contesting.com/mailman/listinfo/rfi -- This email has been ch
/archives//html/RFI/2020-10/msg00064.html (8,792 bytes)

86. Re: [RFI] Motor starting and UPS (score: 1)
Author: Bill Steffey NY9H <ny9h@arrl.net>
Date: Sat, 21 Nov 2020 14:33:21 -0500
back in the early 80s, APC was among the first to label SBS  ( StandBy Supply) as a UPS  ( UNINTERRUPTIBLE POWER SUPPLY ).... NOT !!!!! some of the SBS units do some voltage regulation, before they g
/archives//html/RFI/2020-11/msg00054.html (10,796 bytes)

87. Re: [RFI] Sunpower Solar (score: 1)
Author: Bill Steffey NY9H <ny9h@arrl.net>
Date: Tue, 24 Nov 2020 09:30:39 -0500
lots of google info ....  I did not know they 'acquired" the "solarworld factory"  in oregon. Those are great panels, they WERE guaranteed to exceed specs for 20 years. Upon install they put out over
/archives//html/RFI/2020-11/msg00059.html (8,717 bytes)

88. Re: [RFI] Utilitech LED Recessed Lighting (score: 1)
Author: Bill Steffey NY9H <ny9h@arrl.net>
Date: Mon, 30 Nov 2020 12:04:55 -0500
it was years ago...  i bought the Lowe's utilitech stuff for under kitchen cabinet.  2 sets ....  and they did howl... I even called the "US" " manufacturer" of the switching power supplies.  Nice gu
/archives//html/RFI/2020-11/msg00072.html (9,158 bytes)

89. [RFI] test sri (score: 1)
Author: Bill Steffey NY9H <ny9h@arrl.net>
Date: Sat, 5 Dec 2020 21:06:38 -0500
test  sri -- This email has been checked for viruses by Avast antivirus software. https://www.avast.com/antivirus _______________________________________________ RFI mailing list RFI@contesting.com h
/archives//html/RFI/2020-12/msg00001.html (6,315 bytes)

90. Re: [RFI] New HDTV Purchase - What to Avoid? (score: 1)
Author: Bill Steffey NY9H <ny9h@arrl.net>
Date: Wed, 9 Dec 2020 09:46:00 -0500
MY UNDERSTANDING is that OLED screens have the fast speed as PLASMAs... so great for sports  and  have a 'blacker' black. I believe that they also put out more heat than a standard led backlit LCD tv
/archives//html/RFI/2020-12/msg00015.html (8,752 bytes)

91. [RFI] xyl reviewed (score: 1)
Author: Bill Steffey NY9H <ny9h@arrl.net>
Date: Thu, 17 Dec 2020 21:45:15 -0500
Tim decided to tie the knot with his long time girlfriend. One evening, after the honeymoon, he was tuning up his antennas for an upcoming contest. His wife was standing there at the bench watching h
/archives//html/RFI/2020-12/msg00081.html (7,312 bytes)

92. Re: [RFI] Snow Stops Solar Panel RFI (score: 1)
Author: Bill Steffey NY9H <ny9h@arrl.net>
Date: Mon, 21 Dec 2020 17:15:03 -0500
if the snow is not deep and the sun can warm the panels  the stuff slides off ....   or 1.5 feet and it slides off ( maybe :) ) my first year i took a tractor down the hill with a squiggle on a pole
/archives//html/RFI/2020-12/msg00096.html (8,484 bytes)

93. Re: [RFI] RFI to Automobile Remote (score: 1)
Author: Bill Steffey NY9H <ny9h@arrl.net>
Date: Wed, 6 Jan 2021 12:27:28 -0500
Evanston , Il  where someone called in the hams (maybe FCC ) to figure out why all of Sherman Avenue the cars remotes were funky. Neon in the window..... 73 QWH QWM, Dan K2YWE (K3AU) Quite some years
/archives//html/RFI/2021-01/msg00013.html (9,424 bytes)

94. Re: [RFI] RFI to Automobile Remote (score: 1)
Author: Bill Steffey NY9H <ny9h@arrl.net>
Date: Wed, 6 Jan 2021 12:30:37 -0500
Rich Warren: Radio interference wreaks havoc in Evanston * By Rich Warren * Aug 25, 2016UpdatedJun 25, 2019 * * Facebook <https://www.facebook.com/sharer/sharer.php?u=https%3A%2F%2Fwww.news-gazette.c
/archives//html/RFI/2021-01/msg00015.html (17,978 bytes)

95. Re: [RFI] Difficult power line RFI find. (score: 1)
Author: Bill Steffey NY9H <ny9h@arrl.net>
Date: Wed, 10 Mar 2021 12:27:19 -0500
i have two mfj  vhf noise receivers...  the  dipole version  ... not even the beam VERY useful.////   even without a balun  ( to make it a more perfect pattern ) Years ago in Chicago, a guy from the
/archives//html/RFI/2021-03/msg00025.html (9,668 bytes)

96. Re: [RFI] SOLAR INSTALLATION PROS/CONS (score: 1)
Author: Bill Steffey NY9H <ny9h@arrl.net>
Date: Tue, 25 May 2021 12:11:41 -0400
I CHOSE SMA after going to several installations to check for RFI.      I have 2   5000watt  units...NO NOISE... ON MAY 1ST  I made 69kWh !!!! On 5/25/2021 10:47 AM, Gary Johnson wrote: Search for so
/archives//html/RFI/2021-05/msg00095.html (10,365 bytes)

97. Re: [RFI] SOLAR INSTALLATION PROS/CONS (score: 1)
Author: Bill Steffey NY9H <ny9h@arrl.net>
Date: Tue, 25 May 2021 14:48:05 -0400
Actually  SMA makes also here in the states... ( probably assembles here.) The other inverter that is RFI quiet is Fontus, not sure of the spelling. Ray, N6VR/W7YA I CHOSE SMA after going to several
/archives//html/RFI/2021-05/msg00101.html (11,823 bytes)

98. Re: [RFI] Vancouver recording studio plagued by RFI in danger of losing clients (score: 1)
Author: Bill Steffey NY9H <ny9h@arrl.net>
Date: Wed, 9 Jun 2021 18:09:17 -0400
just imagine all those switching power supplies powering all those transmitters....with the mains feeds passing right past the studio.... wired microphones...    with all those cables  ( " antennas")
/archives//html/RFI/2021-06/msg00025.html (8,399 bytes)

99. Re: [RFI] Noise from Generac Solar controllers? (score: 1)
Author: bill steffey <ny9h@arrl.net>
Date: Thu, 16 Dec 2021 10:51:48 -0500
have the installer show you an identical installation.... during sunlight  and  you test for hf birdies. a perfect radio is an kenwood tf6 talkie, which has hf coverage am and ssb ,,,   the SMA brand
/archives//html/RFI/2021-12/msg00029.html (8,466 bytes)

100. Re: [RFI] 6m spur (score: 1)
Author: bill steffey <ny9h@arrl.net>
Date: Thu, 3 Feb 2022 09:54:00 -0500
I also bought one of those nice looking FM transmitters, wanted to forward stuff to my 12 acres while tractor mowing.. Put a spectrum analyzer on it ...  wondering how clean. What I found was a signa
/archives//html/RFI/2022-02/msg00020.html (8,781 bytes)

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