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References: [ +from:K8RI@rogerhalstead.com: 493 ]

Total 493 documents matching your query.

361. Re: [RFI] ARRL Board of Directors resolution related to FCC enforcement of radio-interference issues (score: 1)
Author: "Roger (K8RI)" <k8ri@rogerhalstead.com>
Date: Wed, 5 Aug 2015 18:54:30 -0400
"Is reduced accuracy an actual harm in your mind? asked another attendee." That tells all that know, that attendee has no conception of what is required to fly on instruments, or do an instrument app
/archives//html/RFI/2015-08/msg00037.html (18,235 bytes)

362. Re: [RFI] Strange Birdie (score: 1)
Author: "Roger (K8RI)" <k8ri@rogerhalstead.com>
Date: Mon, 17 Aug 2015 01:02:25 -0400
And no one ever operates outside of the "band plan"? If it's an old piece of equipment, in the bands, and on an allocated segment, most would take it and go without ever looking at the band plan. Loo
/archives//html/RFI/2015-08/msg00042.html (11,076 bytes)

363. Re: [RFI] RFI With Smoke Detectors (score: 1)
Author: "Roger (K8RI)" <k8ri@rogerhalstead.com>
Date: Tue, 18 Aug 2015 09:48:34 -0400
I have 3 smoke detectors and 3 CO detectors. The CO are independent and run off 120 VAC, the smoke detectors are independent and battery operated. No AC connections. No RFI, 160 through 440. I run th
/archives//html/RFI/2015-08/msg00054.html (10,547 bytes)

364. Re: [RFI] RFI With Smoke Detectors (score: 1)
Author: "Roger (K8RI)" <k8ri@rogerhalstead.com>
Date: Sat, 22 Aug 2015 04:53:47 -0400
Jim is right on! I have a center fed, sloping fan dipole on 75. People think of dipoles being balanced, but so many things interact with them a truly balanced dipole would be a miracle. My sloping, F
/archives//html/RFI/2015-08/msg00078.html (13,051 bytes)

365. Re: [RFI] Cognitive Networked RF (score: 1)
Author: "Roger (K8RI)" <k8ri@rogerhalstead.com>
Date: Sat, 5 Sep 2015 16:47:26 -0400
This isn't really new, except for the sophistication. Hams have used similar, but less precise approaches for a number of years. Remember LightSquared and their frequency grab up in the satellite fre
/archives//html/RFI/2015-09/msg00009.html (10,301 bytes)

366. Re: [RFI] Cognitive Networked RF (score: 1)
Author: "Roger (K8RI)" <k8ri@rogerhalstead.com>
Date: Sat, 5 Sep 2015 19:54:14 -0400
Without knowing just how they are establishing a link, it certainly sounds like at least a form of Automatic Link Establishment (ALE) 73 Roger (K8RI) David KD4E This isn't really new, except for the
/archives//html/RFI/2015-09/msg00012.html (10,033 bytes)

367. Re: [RFI] New bulb? Acandescence in Finallly bulb (score: 1)
Author: "Roger (K8RI)" <k8ri@rogerhalstead.com>
Date: Sun, 13 Sep 2015 01:19:52 -0400
They may be the greatest thing since sliced bread, https://en.wikipedia.org/wiki/Electrodeless_lamp BUT: Any add that makes the claim " WHATEVER technology has been heralded as one of the best-kept s
/archives//html/RFI/2015-09/msg00019.html (11,303 bytes)

368. Re: [RFI] New bulb? Acandescence in Finallly bulb (score: 1)
Author: "Roger (K8RI)" <k8ri@rogerhalstead.com>
Date: Sun, 13 Sep 2015 18:05:12 -0400
As an added note, some of the induction lights use Mercury vapor. For those who want to experiment, the external induction lamps have a coil wound around the lamp that "to me" appears to be nothing m
/archives//html/RFI/2015-09/msg00024.html (8,447 bytes)

369. Re: [RFI] 40 Meter RFI Issue (score: 1)
Author: "Roger (K8RI)" <k8ri@rogerhalstead.com>
Date: Sun, 27 Sep 2015 02:42:03 -0400
Here, once I get things in array, it take me 10 times longer to find things that I used to be able to go "right to" when the place was a mess <:-) 73 Roger (K8RI) 73, Jim K9YC I'll dig that out, Jim.
/archives//html/RFI/2015-09/msg00039.html (8,944 bytes)

370. Re: [RFI] Auto quieting (score: 1)
Author: "Roger (K8RI)" <k8ri@rogerhalstead.com>
Date: Thu, 8 Oct 2015 04:06:20 -0400
Why not just use RG8 type coax for the 12 VDC wiring? I'd use separate cables for +/- instead of using the shield for the negative return. Color code the cables at each end with colored tape. Run the
/archives//html/RFI/2015-10/msg00012.html (13,034 bytes)

371. Re: [RFI] Auto quieting (score: 1)
Author: "Roger (K8RI)" <k8ri@rogerhalstead.com>
Date: Sat, 10 Oct 2015 01:31:31 -0400
I fail to see where two runs of RG8 size cables in a car, large SUV, or long cab pickup truck would be cost prohibitive. Typically "It's Cheap"! Probably as cheap as heavy gauge flexible wire and you
/archives//html/RFI/2015-10/msg00016.html (11,123 bytes)

372. Re: [RFI] Auto quieting (score: 1)
Author: "Roger (K8RI)" <k8ri@rogerhalstead.com>
Date: Mon, 12 Oct 2015 02:15:18 -0400
Put one end of the heavy zip cord (the red and black stuff) in a vise and the other in an electric drill motor. Pull the trigger and you have instant twisted pair at ant twist you want. I've found it
/archives//html/RFI/2015-10/msg00028.html (14,088 bytes)

373. Re: [RFI] Auto quieting (score: 1)
Author: "Roger (K8RI)" <k8ri@rogerhalstead.com>
Date: Mon, 12 Oct 2015 02:21:04 -0400
I used plain old Al clad Steel telephone wire (the kind on the green insulators) for years and was happy with it. I had nothing with which to compare it and nothing else to use anyway for my first fe
/archives//html/RFI/2015-10/msg00029.html (10,363 bytes)

374. [RFI] Protection and solid state circuits can be hurt (score: 1)
Author: "Roger (K8RI)" <k8ri@rogerhalstead.com>
Date: Mon, 26 Oct 2015 23:58:45 -0400
It's easy to see the relationship when looking back, but remember these problems were spread out well over a year. I'm going from an old memory recalling events, some of which more or less seemed tri
/archives//html/RFI/2015-10/msg00058.html (13,114 bytes)

375. [RFI] Intermittent noise, all bands, 2 antennas and 2 sets of finals lost (score: 1)
Author: "Roger (K8RI)" <k8ri@rogerhalstead.com>
Date: Tue, 27 Oct 2015 00:54:25 -0400
I'll try a more appropriate title this time It's easy to see the relationship when looking back, but remember these problems were spread out well over a year. I'm going from an old memory recalling e
/archives//html/RFI/2015-10/msg00059.html (12,866 bytes)

376. Re: [RFI] Protection and solid state circuits can be hurt (score: 1)
Author: "Roger (K8RI)" <k8ri@rogerhalstead.com>
Date: Tue, 27 Oct 2015 15:34:30 -0400
Sorry abt the multiple posts. The first didn't go through last night, so I changed the subject and it sailed right through. 73 Roger (K8RI) -- This email has been checked for viruses by Avast antivir
/archives//html/RFI/2015-10/msg00060.html (7,221 bytes)

377. Re: [RFI] Compass Vectors (score: 1)
Author: "Roger (K8RI)" <k8ri@rogerhalstead.com>
Date: Tue, 1 Dec 2015 02:18:15 -0500
Select your area with as much resolution as possible. Drive to a location, take a bearing. using the Google distance ruler, draw a line through your point. Drive to another point and repeat. Two bear
/archives//html/RFI/2015-12/msg00000.html (7,464 bytes)

378. [RFI] Major appliance change coming up. (score: 1)
Author: "Roger (K8RI)" <k8ri@rogerhalstead.com>
Date: Tue, 1 Dec 2015 17:08:39 -0500
The thread on Samsung got me thinking: I have 2 Samsung 40" smart TVs hooked to our network via WiFi. One in the basement and one on the ground floor. The one upstairs is hard wired to the satellite
/archives//html/RFI/2015-12/msg00012.html (9,127 bytes)

379. Re: [RFI] Compass Vectors (score: 1)
Author: "Roger (K8RI)" <k8ri@rogerhalstead.com>
Date: Tue, 1 Dec 2015 20:01:28 -0500
To complicate things, the guy who built this house used the "that looks about right" method resulting in the N end of the house being 10 feet farther from the road than the S end. Of course the compa
/archives//html/RFI/2015-12/msg00016.html (9,460 bytes)

380. Re: [RFI] Fwd: Re: RF quiet HVAC (score: 1)
Author: "Roger (K8RI)" <k8ri@rogerhalstead.com>
Date: Wed, 2 Dec 2015 02:33:38 -0500
I should have said that heat pumps are out of the question. When I told the several reps that came out what it cost to heat and cool our small home (1100 sq ft) the payback was so long that I'd have
/archives//html/RFI/2015-12/msg00022.html (9,781 bytes)


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