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Total 23 documents matching your query.

1. [RFI] Constant carrier on 7025 (score: 1): Author: Don Kirk <wd8dsb@gmail.com>; Date: Fri, 10 Nov 2023 15:08:48 -0500; Just noticed around 3pm EST a strong (S9) constant carrier on 7.025 MHz that appears to be skywave. A very crude quick check with portable flag indicates its heading is approximately 130 degrees from; /archives//html/RFI/2023-11/msg00060.html (7,528 bytes)
2. Re: [RFI] Constant carrier on 7025 (score: 1): Author: WW3S <ww3s@zoominternet.net>; Date: Fri, 10 Nov 2023 20:12:24 +0000; loud here as of 3:10 eastern time, seems west/sw of me, just south of Lake Erie in NW PA Just noticed around 3pm EST a strong (S9) constant carrier on 7.025 MHz that appears to be skywave. A very cru; /archives//html/RFI/2023-11/msg00061.html (8,530 bytes)
3. Re: [RFI] Constant carrier on 7025 (score: 1): Author: Stephanie WX3K via RFI <rfi@contesting.com>; Date: Fri, 10 Nov 2023 15:13:13 -0500; S9 here on my R7 with QSB Stephanie _______________________________________________ RFI mailing list RFI@contesting.com http://lists.contesting.com/mailman/listinfo/rfi; /archives//html/RFI/2023-11/msg00062.html (8,260 bytes)
4. Re: [RFI] Constant carrier on 7025 (score: 1): Author: Eric Reid <ve3gsi@myrehall.ca>; Date: Fri, 10 Nov 2023 15:13:25 -0500; Yes, here too in South Eastern Ontario with S-9 on a dipole. Eric VE3GSI Just noticed around 3pm EST a strong (S9) constant carrier on 7.025 MHz that appears to be skywave. A very crude quick check w; /archives//html/RFI/2023-11/msg00063.html (8,009 bytes)
5. Re: [RFI] Constant carrier on 7025 (score: 1): Author: David Eckhardt <davearea51a@gmail.com>; Date: Fri, 10 Nov 2023 20:38:45 +0000; Very weak here in N. Colorado with slow ionospheric modulation. Also, slightly changing - stepping - frequency up, then back. Time: 1336 local (2036 UT). Now multiple carriers - stepping upward - the; /archives//html/RFI/2023-11/msg00064.html (9,188 bytes)
6. Re: [RFI] Constant carrier on 7025 (score: 1): Author: bill steffey ny9h <ny9h@comcast.net>; Date: Fri, 10 Nov 2023 15:47:17 -0500; 10 over on dipole 12 mi South of washington 40 SW of PGH Just FYI in case it continues for any length of time. 73, Don wd8dsb _______________________________________________ RFI mailing lis; /archives//html/RFI/2023-11/msg00065.html (8,121 bytes)
7. Re: [RFI] Constant carrier on 7025 (score: 1): Author: David Eckhardt <davearea51a@gmail.com>; Date: Fri, 10 Nov 2023 21:02:36 +0000; There is more than one carrier. One stays put, the other steps upward, reinitializes, then begins again. Time: 1358 local, 2058 UT. There is a fair amount of weak non-amateur activity on 7.025 MHz. R; /archives//html/RFI/2023-11/msg00066.html (10,450 bytes)
8. Re: [RFI] Constant carrier on 7025 (score: 1): Author: Steve London <n2icarrl@gmail.com>; Date: Fri, 10 Nov 2023 14:06:03 -0700; 80 degrees from southwest NM, using 4 element yagi. Not very strong. 73, Steve, N2IC _______________________________________________ RFI mailing list RFI@contesting.com http://lists.contesting.com/ma; /archives//html/RFI/2023-11/msg00067.html (11,445 bytes)
9. Re: [RFI] Constant carrier on 7025 (score: 1): Author: David Eckhardt <davearea51a@gmail.com>; Date: Fri, 10 Nov 2023 21:12:25 +0000; Does anyone else hear the discrete upward stepping to the additional constant carrier? Dave - WØLEV -- *Dave - WØLEV* _______________________________________________ RFI mailing list RFI@contesting.c; /archives//html/RFI/2023-11/msg00068.html (12,107 bytes)
10. Re: [RFI] Constant carrier on 7025 (score: 1): Author: Don Kirk <wd8dsb@gmail.com>; Date: Fri, 10 Nov 2023 16:21:50 -0500; Hi Dave, I just looked at that signal using an SDR receiver set to an RBW of 9.2 Hz and I dont see much but possibly 120 Hz sidebands but they are at least 50 dB down from the main carrier. Don wd8ds; /archives//html/RFI/2023-11/msg00069.html (13,251 bytes)
11. Re: [RFI] Constant carrier on 7025 (score: 1): Author: David Eckhardt <davearea51a@gmail.com>; Date: Fri, 10 Nov 2023 21:25:59 +0000; 120 Hz, I can forgive due to a badly filtered power supply. However, the stepped frequency, always upward, seems to always be there, but it's presence is not fixed between time slots. Dave - WØLEV --; /archives//html/RFI/2023-11/msg00070.html (14,178 bytes)
12. Re: [RFI] Constant carrier on 7025 (score: 1): Author: David Eckhardt <davearea51a@gmail.com>; Date: Fri, 10 Nov 2023 21:32:25 +0000; The stepped carrier does not fade due to ionospheric modulation at the same rate or period as the constant carrier. Are the two sourced from similar locations? This implies not. Dave - WØLEV -- *Dave; /archives//html/RFI/2023-11/msg00071.html (15,228 bytes)
13. Re: [RFI] Constant carrier on 7025 (score: 1): Author: Don Moman VE6JY <ve6jy.1@gmail.com>; Date: Fri, 10 Nov 2023 14:36:10 -0700; I can see the 7025 carrier, (spot on 7025) quite weak in Alberta. I can also just detect the 120 hz sidebands, using the perseus and 0.48 rbw... No stepped carrier seen in the vicinity. _____________; /archives//html/RFI/2023-11/msg00072.html (16,527 bytes)
14. Re: [RFI] Constant carrier on 7025 (score: 1): Author: Don Kirk <wd8dsb@gmail.com>; Date: Fri, 10 Nov 2023 16:38:31 -0500; Hi Dave, I just turned automatic frequency control on my SDR receiver to track the change and have not observed a movement of more than 3 Hz in over a couple minutes time but some of that could be on; /archives//html/RFI/2023-11/msg00073.html (15,066 bytes)
15. Re: [RFI] Constant carrier on 7025 (score: 1): Author: Joe <nss@mwt.net>; Date: Fri, 10 Nov 2023 16:11:22 -0600; it's 10 over in SW Wisconsin on a vertical Joe WB9SBD The stepped carrier does not fade due to ionospheric modulation at the same rate or period as the constant carrier. Are the two sourced from simi; /archives//html/RFI/2023-11/msg00074.html (17,221 bytes)
16. Re: [RFI] Constant carrier on 7025 (score: 1): Author: Frank Donovan <donovanf@starpower.net>; Date: Fri, 10 Nov 2023 19:43:20 -0500 (EST); Thanks to all of the reports on rfi@contesting.com, the carrier on 7025 is reported to be off the air 73 Frank W3LPL The stepped carrier does not fade due to ionospheric modulation at the same rate o; /archives//html/RFI/2023-11/msg00075.html (15,572 bytes)
17. Re: [RFI] Constant carrier on 7025 (score: 1): Author: David Eckhardt <davearea51a@gmail.com>; Date: Sat, 11 Nov 2023 01:20:02 +0000; Yes, it's off the air here in N. Colorado. However, I should comment that when it got stronger, the ionospheric modulation sounded more like PacRim orgin. I don't have any directional antennas or loo; /archives//html/RFI/2023-11/msg00076.html (17,602 bytes)
18. Re: [RFI] Constant carrier on 7025 (score: 1): Author: "Dave (NK7Z)" <dave@nk7z.net>; Date: Fri, 10 Nov 2023 17:42:14 -0800; Is anyone still seeing this carrier? 73, and thanks, Dave (NK7Z) https://www.nk7z.net ARRL Volunteer Examiner ARRL Technical Specialist, RFI ARRL Asst. Director, NW Division, Technical Resources The; /archives//html/RFI/2023-11/msg00077.html (18,301 bytes)
19. Re: [RFI] Constant carrier on 7025 (score: 1): Author: Facility 406 <facility_406@bruteforcedevelopment.com>; Date: Fri, 10 Nov 2023 19:20:52 -0800; the carrier on 7025 is reported to be off the air Anyone do any TDOA with some of the online KiwiSDRs? I hear it takes from 10 to 30 seconds to pinpoint a source. Some of the results I've seen in oth; /archives//html/RFI/2023-11/msg00078.html (9,815 bytes)
20. Re: [RFI] Constant carrier on 7025 (score: 1): Author: Don Moman VE6JY <ve6jy.1@gmail.com>; Date: Fri, 10 Nov 2023 20:29:06 -0700; I was thinking of doing that, but got distracted... and then it was gone. I do wonder if TDOA will work on a clean carrier like this one? _______________________________________________ RFI mailing l; /archives//html/RFI/2023-11/msg00079.html (10,128 bytes)

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