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References: [ +from:mike@rfiservices.com: 251 ]

Total 251 documents matching your query.

241. Re: [RFI] LED Street lights (score: 1)
Author: Michael Martin <mike@rfiservices.com>
Date: Mon, 15 Jan 2024 13:24:17 -0500
Something to think about, when you're dealing with a Broadband noise this receiving antenna is going to work best wherever the antenna is tuned for. So if the antenna receives best or is tuned best f
/archives//html/RFI/2024-01/msg00003.html (8,803 bytes)

242. Re: [RFI] New noise wiping out 160m (score: 1)
Author: Michael Martin <mike@rfiservices.com>
Date: Wed, 17 Jan 2024 08:36:58 -0500
I agree it really is a waste of time to try to analyze the symptom. The next step is to locate it.. using the highest frequency that is detectable on utilize attenuation to narrow down the area. Alwa
/archives//html/RFI/2024-01/msg00019.html (8,928 bytes)

243. Re: [RFI] Mystery Noise (Aren't they all) (score: 1)
Author: Michael Martin <mike@rfiservices.com>
Date: Mon, 29 Jan 2024 16:53:55 -0500
It's very common to see the noise level drop when turning off the main because you have just disconnected a large portion of the antenna which will weaken the signal. It's possible the noise source i
/archives//html/RFI/2024-01/msg00052.html (14,184 bytes)

244. Re: [RFI] Source power pole located - but wonder which components most likely temperature sensitive (score: 1)
Author: Michael Martin <mike@rfiservices.com>
Date: Mon, 29 Jan 2024 18:47:25 -0500
I would assume that Dave is joking when he says that is an acceptable practice. What that is is a very Reckless way of finding things for the sake of improving a hobby. There Maybe someone on this re
/archives//html/RFI/2024-01/msg00055.html (13,376 bytes)

245. Re: [RFI] Source power pole located - but wonder which components most likely temperature sensitive (score: 1)
Author: Michael Martin <mike@rfiservices.com>
Date: Mon, 29 Jan 2024 19:14:32 -0500
You're right David 50 years ago is right about the time I started doing this job. I was taught at that time that the method of choice was to listen to the radio and hit the pole with a sledgehammer.
/archives//html/RFI/2024-01/msg00058.html (15,282 bytes)

246. Re: [RFI] Mystery Noise (Aren't they all) (score: 1)
Author: Michael Martin <mike@rfiservices.com>
Date: Mon, 29 Jan 2024 19:40:37 -0500
I'm fortunate to never have to measure for the change because if it's there it's there and you have to find it. But the change is so dramatic that I've had to actually hold an antenna up to the SEC c
/archives//html/RFI/2024-01/msg00062.html (16,735 bytes)

247. Re: [RFI] UPDATE re: Source power pole located - but wonder which components most likely temperature sensitive (score: 1)
Author: Michael Martin <mike@rfiservices.com>
Date: Fri, 2 Feb 2024 16:02:46 -0500
Close to 99% of overhead Powerline interference noise sources will not be visible with UV cameras or Corona cameras. Most of what those two cameras see are not the interference sources affecting your
/archives//html/RFI/2024-02/msg00004.html (15,462 bytes)

248. Re: [RFI] UPDATE re: Source power pole located - but wonder which components most likely temperature sensitive (score: 1)
Author: Michael Martin <mike@rfiservices.com>
Date: Sat, 3 Feb 2024 09:11:17 -0500
Charlie I'm sorry I don't have time to write I really thorough and long response to your post. However, if you're purchasing and I are camera for the use of Powerline noise you'll be wishing your mon
/archives//html/RFI/2024-02/msg00009.html (17,422 bytes)

249. Re: [RFI] UPDATE re: Source power pole located - but wonder which components most likely temperature sensitive (score: 1)
Author: Michael Martin <mike@rfiservices.com>
Date: Sat, 3 Feb 2024 19:31:19 -0500
My apologies to Charlie and everyone else for not editing my speech to text post and reply. I was in a rushed situation and tried to post via speech to text and we all know that doesn't typically wor
/archives//html/RFI/2024-02/msg00014.html (22,350 bytes)

250. Re: [RFI] UPDATE re: Source power pole located - but wonder which components most likely temperature sensitive (score: 1)
Author: <mike@rfiservices.com>
Date: Mon, 5 Feb 2024 11:56:44 -0500
You are correct Charlie, However, in my classes I used an ultra sound transmitter to demo the use of the RE Hotstick Line sniffer, the UE 2000 and the RE 250. I would show a slide of a 7.2 kV pin typ
/archives//html/RFI/2024-02/msg00017.html (19,979 bytes)

251. Re: [RFI] UPDATE re: Source power pole located - but wonder which components most likely temperature sensitive (score: 1)
Author: Michael Martin <mike@rfiservices.com>
Date: Mon, 5 Feb 2024 17:20:01 -0500
Lee that sounds about right to me. I find the same to be true Everywhere I Go. Might I suggest trying out the model 251 from radar engineers. It has filtering that does a good job of keeping those gr
/archives//html/RFI/2024-02/msg00018.html (22,672 bytes)


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