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21. Re: Topband: K1N DQRM Tracking Project (score: 1): Author: "Charlie Cunningham" <charlie-cunningham@nc.rr.com>; Date: Sun, 8 Feb 2015 22:40:50 -0500; I surely don't think so! I don't expect that there is any way, unless ALL amateur transmitters were equipped with an embedded address encoder and supplied the owner/operator's call and the station GP; /archives//html/Topband/2015-02/msg00352.html (9,986 bytes)
22. Re: Topband: K1N DQRM Tracking Project (score: 1): Author: "Richard (Rick) Karlquist" <richard@karlquist.com>; Date: Sun, 08 Feb 2015 21:15:31 -0800; To put this in perspective, I have some familiarity with surveillance systems used by government agencies to search for sources of RF such as cell phones, listening devices, etc in secure locations.; /archives//html/Topband/2015-02/msg00353.html (9,890 bytes)
23. Re: Topband: K1N DQRM Tracking Project (score: 1): Author: Stan Stockton <wa5rtg@gmail.com>; Date: Sun, 8 Feb 2015 23:46:29 -0600; A friend of mine told me recently that he has had the electrical utility company out several times to fix noise problems and without ever leaving his house tells them exactly which pole is the culpri; /archives//html/Topband/2015-02/msg00354.html (11,144 bytes)
24. Re: Topband: K1N DQRM Tracking Project (score: 1): Author: "Charlie Cunningham" <charlie-cunningham@nc.rr.com>; Date: Tue, 10 Feb 2015 01:53:47 -0500; Actually ,Jim, the velocity of propagation of radio waves (or light waves) in free space is about 1 foot/nanosecond, NOT 1 foot per microsecond. It would seem to me that one needs to have a measure o; /archives//html/Topband/2015-02/msg00359.html (13,626 bytes)
25. Re: Topband: K1N DQRM Tracking Project (score: 1): Author: Tim Shoppa <tshoppa@gmail.com>; Date: Tue, 10 Feb 2015 07:30:41 -0500; Wouldn't the timescale based on leading edge TOF, be the rise time of the pulse? For triangulating on lightning bolts by TOF, rise time doesn't seem to be a limiting factor because lightning bolts ar; /archives//html/Topband/2015-02/msg00361.html (15,676 bytes)
26. Re: Topband: K1N DQRM Tracking Project (score: 1): Author: "Jim Garland" <4cx250b@miamioh.edu>; Date: Tue, 10 Feb 2015 05:56:31 -0700; Hi Charlie, You/re right of course, it's 1 ft/nanosecond. Don't know what I was thinking. I was also focusing on CW DQRM, since that is 99% of what I operate, and since carriers and CW jamming havw b; /archives//html/Topband/2015-02/msg00362.html (15,728 bytes)
27. Re: Topband: K1N DQRM Tracking Project (score: 1): Author: "Tom W8JI" <w8ji@w8ji.com>; Date: Tue, 10 Feb 2015 12:17:22 -0500; You/re right of course, it's 1 ft/nanosecond. Don't know what I was thinking. I was also focusing on CW DQRM, since that is 99% of what I operate, and since carriers and CW jamming havw been endemic; /archives//html/Topband/2015-02/msg00364.html (11,178 bytes)
28. Re: Topband: K1N DQRM Tracking Project (score: 1): Author: Mike Waters <mikewate@gmail.com>; Date: Tue, 10 Feb 2015 12:04:17 -0600; You may have seen an old Wullenweber antenna array at one of those older FCC sites. IIRC, one is (or was) on the east coast. AFAIK, the Wullenweber is not used anymore by the FCC and is scheduled to; /archives//html/Topband/2015-02/msg00367.html (11,026 bytes)
29. Re: Topband: K1N DQRM Tracking Project (score: 1): Author: mstangelo@comcast.net; Date: Tue, 10 Feb 2015 18:37:41 +0000 (UTC); The actors on 14.313 were on the air for months. They also advertised their calls so it was probably easy to track then. It's different if a DQRM'er is on sporadically and on different frequencies. I; /archives//html/Topband/2015-02/msg00372.html (9,442 bytes)
30. Re: Topband: K1N DQRM Tracking Project (score: 1): Author: "chetmoore" <chetmoore@cox.net>; Date: Tue, 10 Feb 2015 14:56:20 -0500; The wullenweber at the USCG electronics lab in Alexandria va (K4CG) was available to any government agency Who wanted to use it. It was used by the Navy, the USCG for search and rescue, the FCC and w; /archives//html/Topband/2015-02/msg00376.html (10,220 bytes)
31. Re: Topband: K1N DQRM Tracking Project (score: 1): Author: <rfoxwor1@tampabay.rr.com>; Date: Wed, 11 Feb 2015 10:50:27 +0000; A story ran in Stars and Stripes (mil newspaper) 2 or 3 months ago saying that the Wullenweber at Misawa Japan was then being decommissioned and torn down. The sole surviving such site was now at Elm; /archives//html/Topband/2015-02/msg00384.html (8,517 bytes)
32. Re: Topband: K1N DQRM Tracking Project (score: 1): Author: Donald Chester <k4kyv@hotmail.com>; Date: Wed, 11 Feb 2015 20:54:33 +0000; What does it say about the state of amateur radio to-day, that the term "DQRM" has entered our jargon? _________________ Topband Reflector Archives - http://www.contesting.com/_topband; /archives//html/Topband/2015-02/msg00396.html (8,073 bytes)
33. Re: Topband: K1N DQRM Tracking Project (score: 1): Author: mstangelo@comcast.net; Date: Wed, 11 Feb 2015 22:15:43 +0000 (UTC); I've been ham since 1969 and there has always been a issue with DQRM. What does it say about the state of amateur radio to-day, that the term "DQRM" has entered our jargon? _________________ Topband; /archives//html/Topband/2015-02/msg00400.html (8,560 bytes)
34. Re: Topband: K1N DQRM Tracking Project (score: 1): Author: Donald Chester <k4kyv@hotmail.com>; Date: Thu, 12 Feb 2015 02:23:32 +0000; Yes, it has been with us a long time. Largely (but not entirely) a legacy of the 75m AM v. SSB wars of the early 1960s. But in numerous discussions of the K1N issue was the first time I have ever he; /archives//html/Topband/2015-02/msg00403.html (8,845 bytes)

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