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References: [ 418 ]

Total 418 documents matching your query.

301. Re: [RFI] ARRL Board of Directors resolution related to FCC enforcement of radio-interference issues (score: 1)
Author: dalej <>
Date: Wed, 5 Aug 2015 18:11:54 -0500
Yes, if it's even a one percent error it is harm. Zero tolerance for error when lives are at stake. Sometimes I wonder, out loud. Dale, k9vuj "Is reduced accuracy an actual harm in your mind? asked a
/archives//html/RFI/2015-08/msg00038.html (19,063 bytes)

302. Re: [RFI] Ideas for ANC4 sense antenna to cancel out local noise (score: 1)
Author: dalej <>
Date: Sun, 1 Nov 2015 14:26:07 -0600
30 or 40 feet of wire will give you a good noise antenna. Get as close as you can to the suspect noise source. Dale, K9VUJ According to a recent article in Electric Radio Magazine on "Noise Reduction
/archives//html/RFI/2015-11/msg00011.html (11,028 bytes)

303. Re: [RFI] RF quiet HVAC (score: 1)
Author: dalej <>
Date: Tue, 1 Dec 2015 18:25:07 -0600
Same here with the Carrier top of the line high if gas furnace, 58MVP060, August 2000 and not a RF peep from it. Dale, K9VUJ We installed a 96% efficient Carrier gas furnace a few years back, not a b
/archives//html/RFI/2015-12/msg00015.html (7,500 bytes)

304. Re: [RFI] Laser Christmas Lights (score: 1)
Author: dalej <>
Date: Fri, 4 Dec 2015 16:27:31 -0600
They request that they take them off the shelves. Not sure how effective that request is, but at least they try. Dale, k9vuj What happens if Ed finds the product to be outside FCC limits? Are there f
/archives//html/RFI/2015-12/msg00046.html (8,930 bytes)

305. Re: [RFI] Blower noise from Carrier Furnace (score: 1)
Author: dalej <>
Date: Thu, 28 Jan 2016 16:10:29 -0600
The operators could then take to litigation the mfg's of said device or appliance that caused harmful interference? Dale, K9VUJ Yes, I think that is known, but it never hurts to make that clear. So,
/archives//html/RFI/2016-01/msg00099.html (17,126 bytes)

306. Re: [RFI] Galaxy Grow Light Ballast Update (score: 1)
Author: dalej <>
Date: Mon, 1 Feb 2016 06:58:36 -0600
That's what I did with a neighbor across the street and heated water dish for a dog. It cost me $50 but I got the noise maker in my garage now and plan to dissect it and take a couple pictures. Since
/archives//html/RFI/2016-02/msg00002.html (7,962 bytes)

307. Re: [RFI] Help with tracking power line noise (score: 1)
Author: dalej <>
Date: Sun, 21 Feb 2016 16:14:19 -0600
I use an aircraft band capable walk-talki and walk the area with it. 118 Mhz AM. I wouldn't pay too much attention to anything at HF it can fool you. The air band radio can get the noise source down
/archives//html/RFI/2016-02/msg00116.html (8,948 bytes)

308. Re: [RFI] CenturyLink VDSL2 RFI (score: 1)
Author: dalej <>
Date: Tue, 15 Mar 2016 16:03:09 -0500
I did a search and came up with this item is no longer available. Dale, K9VUJ Hi, Here is a link to a movie I made showing up link modem leakage from CenturyLink RFI. 73,
/archives//html/RFI/2016-03/msg00041.html (8,205 bytes)

309. Re: [RFI] House Ground (score: 1)
Author: dalej <>
Date: Wed, 16 Mar 2016 02:28:25 -0500
I know of one house in the area that lightning struck a gas meter and the house was almost totally destroyed, nice house too. Thanks for the article. Dale, k9vuj Hi Bill, That's not an uncommon error
/archives//html/RFI/2016-03/msg00049.html (13,331 bytes)

310. Re: [RFI] House Ground (score: 1)
Author: dalej <>
Date: Wed, 16 Mar 2016 12:01:28 -0500
I have two iMacs, same deal with the PS. I don't have any noise from either one. My neighbors plasma TV I hear though. All the Apple products I've owned since 1988 never had an issue with RFI from an
/archives//html/RFI/2016-03/msg00055.html (11,056 bytes)

311. Re: [RFI] House Ground (score: 1)
Author: dalej <>
Date: Wed, 16 Mar 2016 14:21:43 -0500
I got a Macbook Pro here in the shack that makes three. If the snap on device took care of it then I wouldn't worry about trying to ground the macbook. You might do harm to the macbook and not fix an
/archives//html/RFI/2016-03/msg00060.html (12,676 bytes)

312. Re: [RFI] Tescun PL-660 Antenna (score: 1)
Author: dalej <>
Date: Tue, 19 Apr 2016 10:34:54 -0500
You really dont need the complexity or bulk of a loop antenna to find power line noise. A walkie-talkie on the aircraft band (130 Mhz AM) and two legs plus a general direction found with the directio
/archives//html/RFI/2016-04/msg00043.html (10,627 bytes)

313. Re: [RFI] More information regarding the FCC's TAC inquiry on the RF spectrum noise floor (score: 1)
Author: dalej <>
Date: Wed, 22 Jun 2016 14:01:34 -0500
This will take a looooooooong time. Lots of talk and studies and in a few years maybe something will come of it, but more likely, nothing will come of it. I hope I'm wrong. Dale, k9vuj ______________
/archives//html/RFI/2016-06/msg00054.html (7,565 bytes)

314. Re: [RFI] Wot the heck!?!?!?!?!?! 40 meters, (score: 1)
Author: dalej <>
Date: Wed, 29 Jun 2016 07:30:47 -0500
I did that with a heated water dish for dogs, a house across the street except I have the noise maker in my garage. I plan one day to dissect it. I think it's an arcing thermo switch. I bought him th
/archives//html/RFI/2016-06/msg00081.html (8,029 bytes)

315. Re: [RFI] New RFI source for me... (score: 1)
Author: dalej <>
Date: Sun, 24 Jul 2016 11:49:50 -0500
I looked at it in my audio analyzer and it does not show any data. It does show evenly spaced pulses of the background noise only amplified. I slowed it way down and no data pulses I could see. GL &
/archives//html/RFI/2016-07/msg00059.html (8,499 bytes)

316. Re: [RFI] Quiet Power Supply? (score: 1)
Author: dalej <>
Date: Wed, 3 Aug 2016 13:37:40 -0500
Samlux SEC-1235(M). I have two and both are quiet. Mine are the metered versions. Dale, K9VUJ Hi, Can I get a few suggestions for a 12 V switcher that is quiet in the HF spectrum? A friend needs one,
/archives//html/RFI/2016-08/msg00004.html (7,417 bytes)

317. Re: [RFI] Quiet Switching Power Supply? (score: 1)
Author: dalej <>
Date: Thu, 4 Aug 2016 08:21:02 -0500
Unless you're in a screen room or 100 miles from civilization, the background noise is going to cover up any minuscule noise that the best switchers for ham use are going to emit. Dale K9VUJ Any AC s
/archives//html/RFI/2016-08/msg00011.html (9,592 bytes)

318. Re: [RFI] SETI (score: 1)
Author: dalej <>
Date: Tue, 30 Aug 2016 14:41:36 -0500
It doesnt matter if it is or isnt. It would be at least 4 light years away and most likely many many more light years away than the closest star. Dale, k9vuj
/archives//html/RFI/2016-08/msg00177.html (7,926 bytes)

319. Re: [RFI] SETI (score: 1)
Author: dalej <>
Date: Wed, 31 Aug 2016 04:11:32 -0500
This all depends on IF there really is something out there. Think they said its 95 light years away. So we send a hello how are u, 95 years from now *they* receive a hello how are u then spend large
/archives//html/RFI/2016-08/msg00187.html (7,939 bytes)

320. Re: [RFI] weird noise "waves" 60 khz Apaert (score: 1)
Author: dalej <>
Date: Wed, 21 Sep 2016 03:26:11 -0500
Unplug your skimmer PC that just died from the wall outlet. Dale, k9vuj Today, for the first time, I looked at the bands on the bandscope of my RTTY Skimmer Server. To my surprise, the background noi
/archives//html/RFI/2016-09/msg00023.html (8,077 bytes)

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