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1. [RFI] Inverse Square Law and RFI (score: 1): Author: Tony <dxdx@optonline.net>; Date: Mon, 11 Jun 2018 17:36:38 -0400; All: These might be a silly questions, but given how complex this subject is, I thought I'd ask anyway. 1. Does the inverse square-law apply to all devices that emit RFI where the RF energy emanating; /archives//html/RFI/2018-06/msg00028.html (6,928 bytes)
2. Re: [RFI] Inverse Square Law and RFI (score: 1): Author: David Eckhardt <davearea51a@gmail.com>; Date: Mon, 11 Jun 2018 22:20:58 +0000; 1. Does the inverse square-law apply to all devices that emit RFI where the RF energy emanating from the device falls off exponentially with distance? For small sources, yes. The square-law applies t; /archives//html/RFI/2018-06/msg00029.html (9,094 bytes)
3. Re: [RFI] Inverse Square Law and RFI (score: 1): Author: "Dave Cole (NK7Z)" <dave@nk7z.net>; Date: Mon, 11 Jun 2018 17:57:38 -0700; No question is silly... All questions answer something someone does not know, and hence are useful. Thank you for asking! Please feel free to ask any question you want an answer for again. Inverse Sq; /archives//html/RFI/2018-06/msg00030.html (10,908 bytes)
4. Re: [RFI] Inverse Square Law and RFI (score: 1): Author: "Dave Cole (NK7Z)" <dave@nk7z.net>; Date: Mon, 11 Jun 2018 17:58:56 -0700; Sorry to have followed your answer Dave, I resorted my email and your email looked like something newer than the RFI question... 73s and thanks, Dave NK7Z https://www.nk7z.net Inverse Square Law: Yes; /archives//html/RFI/2018-06/msg00031.html (11,357 bytes)
5. Re: [RFI] Inverse Square Law and RFI (score: 1): Author: Jim Brown <jim@audiosystemsgroup.com>; Date: Mon, 11 Jun 2018 22:35:51 -0700; While this is all solid, there's a LOT more to it than that. First, we must understand the difference between impulse noise generated by arcing on the power system, which is extremely broadband, and; /archives//html/RFI/2018-06/msg00032.html (12,511 bytes)
6. Re: [RFI] Inverse Square Law and RFI (score: 1): Author: "Roger (K8RI)" <k8ri@rogerhalstead.com>; Date: Tue, 12 Jun 2018 03:15:27 -0400; A simple answer- I hope. All RF follows the inverse square law, BUT RF can be carried on any electrical conductor. Power lines, telephone line, and fences, along with other conductors can act as tra; /archives//html/RFI/2018-06/msg00033.html (8,935 bytes)
7. Re: [RFI] Inverse Square Law and RFI (score: 1): Author: "Kenneth Goodwin" <krgoodwin@comcast.net>; Date: Tue, 12 Jun 2018 21:55:27 -0500; The inverse square law is a geometric result based on the surface area of a sphere that applies to an RF source radiating equally in all directions that is in perfect environment, e.g. deep space. In; /archives//html/RFI/2018-06/msg00038.html (7,832 bytes)
8. Re: [RFI] Inverse Square Law and RFI (score: 1): Author: JW via RFI <rfi@contesting.com>; Date: Wed, 13 Jun 2018 12:14:21 +0000 (UTC); I suppose it should be mentioned, for completeness, that strictly speaking the inverse square law is inapplicable to that range of low band frequencies where propagation of the signal via ground wav; /archives//html/RFI/2018-06/msg00039.html (8,992 bytes)
9. Re: [RFI] Inverse Square Law and RFI (score: 1): Author: Cortland Richmond <ka5s@earthlink.net>; Date: Wed, 13 Jun 2018 10:07:37 -0400; This is an issue we lost in the BPL fight; when radiating conductors are long in wavelength, the transformation from near to far fields occurs at greater distance than would be expected of a point; /archives//html/RFI/2018-06/msg00040.html (10,622 bytes)
10. Re: [RFI] Inverse Square Law and RFI (score: 1): Author: JW via RFI <rfi@contesting.com>; Date: Wed, 13 Jun 2018 15:06:31 +0000 (UTC); Fortunately, Cortland , all of the power line noise sources I have had the pleasure to locate exhibited radiation from the vertical ground wire. Effectively, this represents a T-top loaded type vert; /archives//html/RFI/2018-06/msg00041.html (12,510 bytes)
11. Re: [RFI] Inverse Square Law and RFI (score: 1): Author: Cortland Richmond <ka5s@earthlink.net>; Date: Wed, 13 Jun 2018 12:15:38 -0400; BPL was common mode for at least one horizontal conductor and (I don't have access to the data) not a source, (arcing insulator, etc) local to the pole/tower ground; at OUR frequencies; given the i; /archives//html/RFI/2018-06/msg00042.html (13,614 bytes)
12. Re: [RFI] Inverse Square Law and RFI (score: 1): Author: Jim Brown <jim@audiosystemsgroup.com>; Date: Wed, 13 Jun 2018 09:31:52 -0700; I don't have a lot of experience chasing power line RFI to the source, but in several cases where I have done so, I've also observed that the ground wire was radiating. 73, Jim K9YC _________________; /archives//html/RFI/2018-06/msg00043.html (8,986 bytes)

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