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1. Re: [RFI] DLP RFI? (score: 1): Author: "Gedas" <w8bya@mchsi.com>; Date: Sun, 14 Aug 2011 11:37:10 -0400; Older Samsung DLP here (HLT6187), no problems that I know of HF-VHF. Gedas, Gallery at http://gedas.me Light travels faster than sound.. This is why some people appear bright until you hear them spea; /archives//html/RFI/2011-08/msg00012.html (7,239 bytes)
2. Re: [RFI] LED lighting (score: 1): Author: Gedas <w8bya@mchsi.com>; Date: Tue, 28 Jul 2015 23:54:35 -0400; Roger, not sure what you were using for a detection system but most double walled shielded enclosures (i.e., Lindgren etc) provide around 120-140 dB S.E. to E-fields. Less as they got older. If you h; /archives//html/RFI/2015-07/msg00107.html (16,295 bytes)
3. Re: [RFI] Compass Vectors (score: 1): Author: Gedas <w8bya@mchsi.com>; Date: Tue, 1 Dec 2015 13:16:40 -0500; Being an astro-imaging nut I would like to remind folks that during the daytime using the sun or the moon if visible is extremely accurate. Even with cloud cover if you can make out the shape of the; /archives//html/RFI/2015-12/msg00010.html (9,214 bytes)
4. Re: [RFI] Snap-on RFI suppression core size vs cable size (score: 1): Author: Gedas <w8bya@mchsi.com>; Date: Mon, 21 Aug 2017 10:25:28 -0400; Hi Joe. About a year ago I did just what you guys are talking about. I had purchased a whole bunch of assorted split bead cores of various sizes and shapes off Amazon. No specs with them but the pric; /archives//html/RFI/2017-08/msg00042.html (15,584 bytes)
5. Re: [RFI] 40M QRM/RFI (score: 1): Author: Gedas <w8bya@mchsi.com>; Date: Fri, 12 Jan 2018 17:36:11 -0500; Yes most if not all will have a main PCB controller board with a uP or at least a u-controller and all kinds of discrete and integrated drivers and relays inside the main control panel box. That unit; /archives//html/RFI/2018-01/msg00018.html (11,773 bytes)
6. Re: [RFI] Connectors for 1/2" tinned copper braid strap? (score: 1): Author: Gedas <w8bya@mchsi.com>; Date: Mon, 26 Feb 2018 12:29:49 -0500; Your local hardware store (Lowe's, etc) will have a good assortment of different sized eyelets you can use. I curl the braid into a tight circular conductor and slip it inside the eyelet terminal. I; /archives//html/RFI/2018-02/msg00091.html (9,019 bytes)
7. Re: [RFI] Keyboard (score: 1): Author: Gedas <w8bya@mchsi.com>; Date: Sat, 3 Mar 2018 12:53:21 -0500; You have received some good tips. I would like to add that in a previous life when I was a lead tempest engineer I had to design and test items like keyboards and the problems we had to overcome, in; /archives//html/RFI/2018-03/msg00008.html (9,471 bytes)
8. Re: [RFI] RFI into Battery monitor (score: 1): Author: Gedas <w8bya@mchsi.com>; Date: Fri, 4 May 2018 15:37:17 -0400; I know Dave implied it in his reply but just to be clear to ensure you do not saturate the ferrite core from high DC current make sure you wrap the positive & negative leads of a given pair through w; /archives//html/RFI/2018-05/msg00002.html (8,700 bytes)
9. Re: [RFI] Home RFI Hunting (score: 1): Author: Gedas <w8bya@mchsi.com>; Date: Sun, 30 Sep 2018 12:12:15 -0400; Dave, wind one core with the appropriate number of turns, followed by your second core 3" to 4" away wound with it's own turns. The choice of 77 core may not help as your typically want resistive los; /archives//html/RFI/2018-09/msg00055.html (13,903 bytes)
10. Re: [RFI] Solar Edge RFI Update 11/29/18 (score: 1): Author: Gedas <w8bya@mchsi.com>; Date: Thu, 29 Nov 2018 14:18:33 -0500; Absolutely NOT the same. Gedas, W8BYA Gallery at http://w8bya.com Light travels faster than sound.... This is why some people appear bright until you hear them speak. Is it the same to use 5 cores an; /archives//html/RFI/2018-11/msg00109.html (9,988 bytes)
11. Re: [RFI] Common mode choke on 4 Square feedlines without skewing phasing? (score: 1): Author: Gedas <w8bya@mchsi.com>; Date: Thu, 24 Jan 2019 10:47:30 -0500; Just as a point of interest depending on who makes the coax completely different dielectrics are possible with extremely wide spanning power ratings and other specs. For example there is a RG-179 cab; /archives//html/RFI/2019-01/msg00036.html (11,679 bytes)
12. Re: [RFI] Bonding to a PC (score: 1): Author: Gedas <w8bya@mchsi.com>; Date: Thu, 28 Feb 2019 18:36:49 -0500; Speaking of shielded cables I wanted to share something I have encountered on more then one occasion when I worked in the aerospace industry. We had an issue with a product during some specialized ra; /archives//html/RFI/2019-02/msg00087.html (10,366 bytes)
13. Re: [RFI] Choke questions (score: 1): Author: Gedas <w8bya@mchsi.com>; Date: Wed, 22 Jan 2020 09:59:21 -0500; Another Teflon based coax similar to 50-ohm RG-142 and 75-ohm RG-179 is 75-ohm RG-187. Gedas, W8BYA EN70 Gallery at http://w8bya.com Light travels faster than sound.... This is why some people appear; /archives//html/RFI/2020-01/msg00118.html (9,618 bytes)
14. Re: [RFI] Choke questions (score: 1): Author: Gedas <w8bya@mchsi.com>; Date: Wed, 22 Jan 2020 10:31:00 -0500; What kind of length(s) are you looking for and do you want connectors on the end? Many of the RG-400 coax are made in China, there are some US based companies like Harbour Industries etc that special; /archives//html/RFI/2020-01/msg00120.html (11,433 bytes)
15. Re: [RFI] Choke questions (score: 1): Author: Gedas <w8bya@mchsi.com>; Date: Wed, 22 Jan 2020 12:10:17 -0500; Keep in mind that the vast majority of even high end cables and connectors are now mostly made in China. Some in the Philippines, Malaysia, etc. For example the last batch of brand new Amphenol N-con; /archives//html/RFI/2020-01/msg00122.html (13,825 bytes)
16. Re: [RFI] SDR software that displays actual waveform of received signal???? (score: 1): Author: Gedas <w8bya@mchsi.com>; Date: Mon, 3 Feb 2020 10:45:29 -0500; PSDR will definitely do what you want (I use the feature on my Flex 5000) but I do not know about it's use on specific platforms other then flex. I have heard of other receivers using PSDR so it is p; /archives//html/RFI/2020-02/msg00008.html (9,925 bytes)
17. Re: [RFI] Unbelievable (amazing) response time from utility company (score: 1): Author: Gedas <w8bya@mchsi.com>; Date: Wed, 19 Feb 2020 11:16:27 -0500; My Hero was a gentleman from several decades ago who was a supervisor based (I think in Richmond Va) and was up in Northern Va to tackle my RFI issue when the local power people could not find my noi; /archives//html/RFI/2020-02/msg00093.html (15,177 bytes)
18. Re: [RFI] If only everything were tested this way... (score: 1): Author: Gedas <w8bya@mchsi.com>; Date: Wed, 4 Mar 2020 12:15:48 -0500; Hi Charlie, yes those tests you mentioned are just the baseline of what we used to test NOAA WX satellite modules to. We designed, manufactured and tested many of the imagers and sounders floating ar; /archives//html/RFI/2020-03/msg00012.html (9,819 bytes)
19. Re: [RFI] 48v DC Clean Power Supply (score: 1): Author: Gedas <w8bya@mchsi.com>; Date: Wed, 25 Mar 2020 11:55:39 -0400; We need to know the current rating. years ago I have seen a handful of huge wall-warts that were linear and 48 VDC but limited to ~1A. Gedas, W8BYA EN70 Gallery at http://w8bya.com Light travels fast; /archives//html/RFI/2020-03/msg00055.html (8,291 bytes)
20. Re: [RFI] RFI - A Losing Battle (score: 1): Author: Gedas <w8bya@mchsi.com>; Date: Wed, 23 Sep 2020 20:43:57 -0400; Just because the Communist Committee does not permit having an outdoor antenna they cannot prevent you from installing an antenna in your attic, just for one example of possibilities to still operate; /archives//html/RFI/2020-09/msg00137.html (12,268 bytes)

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