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Total 23 documents matching your query.

1. [RFI] RFI In My Shack (score: 1): Author: Joe <w7rkn.7@gmail.com>; Date: Sat, 2 Dec 2017 09:25:06 -0800; A little different question. Perhaps some suggestions here: I have a new amplifier in the shack, a Drake L7, that is being used in place of a European version of the Henry 2K D Classic. The Henry rip; /archives//html/RFI/2017-12/msg00000.html (7,229 bytes)
2. Re: [RFI] RFI In My Shack (score: 1): Author: "Dave Cole (NK7Z)" <dave@nk7z.net>; Date: Sat, 2 Dec 2017 09:49:26 -0800; Let me guess, you are using an Off Center fed dipole, or some sort of asymmetrical antenna If not what is your transmit setup. 73s and thanks, Dave NK7Z http://www.nk7z.net I have a new amplifier in; /archives//html/RFI/2017-12/msg00001.html (8,004 bytes)
3. Re: [RFI] RFI In My Shack (score: 1): Author: Stephanie WX3K via RFI <rfi@contesting.com>; Date: Sat, 2 Dec 2017 13:02:55 -0500; A number of questions come to mind in order to understand your situation. Attempting to provide a solution for your printer directly is not addressing the root cause. 1) power level diffential betwee; /archives//html/RFI/2017-12/msg00002.html (10,392 bytes)
4. Re: [RFI] RFI In My Shack (score: 1): Author: Joe <w7rkn.7@gmail.com>; Date: Sat, 2 Dec 2017 10:07:56 -0800; Yes, A Windom, that is coax fed into a 4:1 balun. Remember, I did *NOT* have this issue with my Henry amplifier, even at over 2000 watts out. [Euro version of the amp!] Joe - W7RKN Let me guess, you; /archives//html/RFI/2017-12/msg00003.html (8,291 bytes)
5. Re: [RFI] RFI In My Shack (score: 1): Author: Michael Aust <ava622@verizon.net>; Date: Sat, 2 Dec 2017 13:08:16 -0500; Have you tried an Input AC Line EMI Filter on the Amplifier Assume you using 220VAC Use a Dexicon LC2KVA for 220VAC at 10amps ( Surge, Transient and EMI Filter with SoftStart & Noise Reduction Featur; /archives//html/RFI/2017-12/msg00004.html (10,897 bytes)
6. Re: [RFI] RFI In My Shack (score: 1): Author: Michael Aust <ava622@verizon.net>; Date: Sat, 2 Dec 2017 13:15:41 -0500; Well, this my Dexicon rated at 220VAC 15Amps RFI/EMI Filter on my input of my TL-922A, works well ! https://www.ebay.com/itm/AC-EMI-RFI-Noise-Filter-Line-Cleaner-220-240VAC-15A/140524915215?epid=2036; /archives//html/RFI/2017-12/msg00005.html (11,671 bytes)
7. Re: [RFI] RFI In My Shack (score: 1): Author: "Dave Cole (NK7Z)" <dave@nk7z.net>; Date: Sat, 2 Dec 2017 10:20:37 -0800; Hi again, Given the old amp caused issues with your audio, and your new amp causes issues with your network, we can assume you have some level of Common Mode, (CM). My first step would be to buy or b; /archives//html/RFI/2017-12/msg00006.html (9,932 bytes)
8. Re: [RFI] RFI In My Shack (score: 1): Author: Michael Aust <ava622@verizon.net>; Date: Sat, 2 Dec 2017 13:25:10 -0500; The Isobar 110VAC EMI Filters on your Home Theatre and Net Boards might also help. https://www.ebay.com/itm/Tripp-Lite-Isobar-6-Outlet-Surge-Protector-w-Tel-Fax-Modem-Protection-3300-J/381632896929?_; /archives//html/RFI/2017-12/msg00007.html (11,265 bytes)
9. Re: [RFI] RFI In My Shack (score: 1): Author: Joe <w7rkn.7@gmail.com>; Date: Sat, 2 Dec 2017 10:30:42 -0800; I think I forgot to mention...I have **no** audio issues with the L7, only the Henry. Go figger! OH, and I have very little (read: next to none!) RF in the shack. That is what is puzzling me! How in; /archives//html/RFI/2017-12/msg00008.html (10,528 bytes)
10. Re: [RFI] RFI In My Shack (score: 1): Author: "Dave Cole (NK7Z)" <dave@nk7z.net>; Date: Sat, 2 Dec 2017 10:31:54 -0800; How long is the networking cable, and what frequency did this happen on? 73s and thanks, Dave NK7Z http://www.nk7z.net OH, and I have very little (read: next to none!) RF in the shack. That is what i; /archives//html/RFI/2017-12/msg00009.html (11,124 bytes)
11. Re: [RFI] RFI In My Shack (score: 1): Author: Michael Aust <ava622@verizon.net>; Date: Sat, 2 Dec 2017 13:35:53 -0500; I use to use an OCF dipole, got rid of it, too much RFI into AC mains ! 73 Mike Michael Aust ava622@verizon.net Yes, A Windom, that is coax fed into a 4:1 balun. Remember, I did *NOT* have this issue; /archives//html/RFI/2017-12/msg00010.html (8,791 bytes)
12. Re: [RFI] RFI In My Shack (score: 1): Author: Joe <w7rkn.7@gmail.com>; Date: Sat, 2 Dec 2017 10:44:59 -0800; Hmmmm..... 10 foot from the switch to the printer...6 foot from computer to switch and 1 meter (39 inches) from router to switch. BTW, I use nothing but Cat 6 cable, so the cable is shielded for the; /archives//html/RFI/2017-12/msg00011.html (12,719 bytes)
13. Re: [RFI] RFI In My Shack (score: 1): Author: Matthew King - KK4CPS <KK4CPS@gmail.com>; Date: Sat, 2 Dec 2017 14:00:44 -0500; Joe - how do you know you have "next to none!" RF in the shack? If you have an OCFD that's not got a REAL current choke (no voltage baluns or single core 4:1 baluns need apply here) then you have RF; /archives//html/RFI/2017-12/msg00012.html (14,962 bytes)
14. Re: [RFI] RFI In My Shack (score: 1): Author: Joe <w7rkn.7@gmail.com>; Date: Sat, 2 Dec 2017 11:24:47 -0800; Thanks Mark! As I said in another post: OCFD with a 4:1 balun, the dipole fed with coax (RG-8x) (No twin lead anywhere in the system. System ground with an 8 foot copper surfaced rod, 10 feet from th; /archives//html/RFI/2017-12/msg00013.html (15,009 bytes)
15. Re: [RFI] RFI In My Shack (score: 1): Author: Stephanie WX3K via RFI <rfi@contesting.com>; Date: Sat, 2 Dec 2017 14:54:39 -0500; Pardon me for the spelling faux pas Differential Stephanie _______________________________________________ RFI mailing list RFI@contesting.com http://lists.contesting.com/mailman/listinfo/rfi; /archives//html/RFI/2017-12/msg00014.html (9,306 bytes)
16. Re: [RFI] RFI In My Shack (score: 1): Author: Jim Brown <jim@audiosystemsgroup.com>; Date: Sat, 2 Dec 2017 13:36:48 -0800; I have a new amplifier in the shack, a Drake L7, that is being used in place of a European version of the Henry 2K D Classic. The description of your system sounds like a recipe for RFI. I've done th; /archives//html/RFI/2017-12/msg00015.html (11,437 bytes)
17. Re: [RFI] RFI In My Shack (score: 1): Author: Joe <w7rkn.7@gmail.com>; Date: Sat, 2 Dec 2017 13:59:35 -0800; Thanks Jim.. I'll read through where you suggested I read and see where I can improve my system. One thing you said, that I haven't done, and will, is to have a common ground for the home theater sys; /archives//html/RFI/2017-12/msg00016.html (12,307 bytes)
18. Re: [RFI] RFI In My Shack (score: 1): Author: Jim Brown <jim@audiosystemsgroup.com>; Date: Sat, 2 Dec 2017 14:50:51 -0800; N6BV, retired ARRL Antenna Book and Handbook editor, wrote a great piece that ran in QST about two years ago showing that even with coax, a choke will fry very quickly when feeding an antenna not mat; /archives//html/RFI/2017-12/msg00017.html (8,368 bytes)
19. Re: [RFI] RFI In My Shack (score: 1): Author: "Dave Cole (NK7Z)" <dave@nk7z.net>; Date: Sat, 2 Dec 2017 16:34:15 -0800; I'm with Jim here... This is a recipe for RFI... If it were me, I would replace the OCF dipole with almost anything else, especially if you are running power. That type of antenna causes more RFI iss; /archives//html/RFI/2017-12/msg00018.html (9,900 bytes)
20. Re: [RFI] RFI In My Shack (score: 1): Author: Matthew King - KK4CPS <KK4CPS@gmail.com>; Date: Sat, 2 Dec 2017 19:43:17 -0500; Dave, there's nothing wrong with an OCFD *IF* it's fed properly, i.e. through *proper* baluns & chokes. The fundamental band of the antenna (40 or 80, for example) and the exact split make huge diffe; /archives//html/RFI/2017-12/msg00019.html (10,487 bytes)

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