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1. [TenTec] 40M Band Sweeps (score: 1): Author: "Paul Christensen" <w9ac@arrl.net>; Date: Thu, 6 Dec 2007 07:17:08 -0500; Not exactly related to TT, but since so many TT users operate on 40M, I'll throw this out... I have been noticing an alarming amount of band sweep activity lately. It occurs where someone keys their; /archives//html/TenTec/2007-12/msg00143.html (8,565 bytes)
2. Re: [TenTec] 40M Band Sweeps (score: 1): Author: "Lyle Dunlap" <qskqrq@grics.net>; Date: Thu, 6 Dec 2007 07:23:21 -0600; Yes hve noticed some of that but not sure its being done by a ham. Maybeee Be nice know. If you find out keep us informed. Lyle W9FCX _______________________________________________ TenTec mailing li; /archives//html/TenTec/2007-12/msg00147.html (7,921 bytes)
3. Re: [TenTec] 40M Band Sweeps (score: 1): Author: "Pfizenmayer" <pfizenmayer@qwest.net>; Date: Thu, 6 Dec 2007 09:14:12 -0700; I see the same thing on 80 meters - several times in a couple hours last night.I have been told they are some sort of newer ionospheric sounder but I dunno. Its slow enough the Orion II sweep follows; /archives//html/TenTec/2007-12/msg00153.html (8,982 bytes)
4. Re: [TenTec] 40M Band Sweeps (score: 1): Author: jerome schatten <romers@shaw.ca>; Date: Thu, 06 Dec 2007 11:30:29 -0800; Hi Hank... same thing here... I see it on the pro3's band scope on 80, 40 and 30. And here I thought it was just me. jerome -- Using Opera's revolutionary e-mail client: http://www.opera.com/mail/ __; /archives//html/TenTec/2007-12/msg00162.html (9,863 bytes)
5. Re: [TenTec] 40M Band Sweeps (score: 1): Author: "Stuart Rohre" <rohre@arlut.utexas.edu>; Date: Thu, 6 Dec 2007 14:37:14 -0600; What sweeping folks might observe on 40m is probably ionosonde experiments, or other the horizon radar. There used to be an HF facility in Eastern Canada that intruded on the ham bands from time to t; /archives//html/TenTec/2007-12/msg00165.html (8,913 bytes)
6. Re: [TenTec] 40M Band Sweeps (score: 1): Author: "Paul Christensen" <w9ac@arrl.net>; Date: Thu, 6 Dec 2007 15:42:56 -0500; experiments, or other the horizon radar. There used to be an HF facility in Eastern Canada that intruded on the ham bands from time to time. And, it might be military related, depending on what stre; /archives//html/TenTec/2007-12/msg00166.html (9,394 bytes)
7. Re: [TenTec] 40M Band Sweeps (score: 1): Author: "Denton" <denton@oregontrail.net>; Date: Thu, 6 Dec 2007 12:46:42 -0800; One of our local ham club members says that it might be from those new washing machines. -- Original Message -- From: "Paul Christensen" <w9ac@arrl.net> To: "'Discussion of Ten-Tec Equipment'" <tente; /archives//html/TenTec/2007-12/msg00167.html (10,263 bytes)
8. Re: [TenTec] 40M Band Sweeps (score: 1): Author: "Stuart Rohre" <rohre@arlut.utexas.edu>; Date: Thu, 6 Dec 2007 14:58:17 -0600; Paul, Where is the receiver located that is hearing the sweeps? I might be able to devine some info from our RF section researchers. I know our own Ionosonde is inactive at present. They gave us the; /archives//html/TenTec/2007-12/msg00169.html (8,721 bytes)
9. Re: [TenTec] 40M Band Sweeps (score: 1): Author: "Paul Christensen" <w9ac@arrl.net>; Date: Thu, 6 Dec 2007 17:43:33 -0500; Tnx Stuart. Rx location is Jacksonville, FL. Paul, W9AC Paul, Where is the receiver located that is hearing the sweeps? I might be able to devine some info from our RF section researchers. I know our; /archives//html/TenTec/2007-12/msg00173.html (9,113 bytes)
10. Re: [TenTec] 40M Band Sweeps (score: 1): Author: Doug Smith <Doug@BlueSky.org>; Date: Thu, 06 Dec 2007 12:55:35 -0700; There is a government system "Chirp Sounder" that sweeps the entire HF spectrum. There are multiple receivers in multiple locations that are synched to the transmitter(s). As the sweep occurs, the re; /archives//html/TenTec/2007-12/msg00177.html (8,908 bytes)
11. Re: [TenTec] 40M Band Sweeps (score: 1): Author: "Stuart Rohre" <rohre@arlut.utexas.edu>; Date: Thu, 6 Dec 2007 19:08:21 -0600; Paul, One of the world ionosonde sites is listed for Eglin Air Force Base. That would be possible you are hearing them on 40m. Of course, their antennas are supposed to be optimized for transmitting; /archives//html/TenTec/2007-12/msg00180.html (9,237 bytes)
12. Re: [TenTec] 40M Band Sweeps (score: 1): Author: "Stuart Rohre" <rohre@arlut.utexas.edu>; Date: Thu, 6 Dec 2007 19:15:52 -0600; Folks, Maybe the upsurge in sweeping the bands, if they are ionosondes, might mean research is very active in devining if we are finally going into the uptick of the sunspot cycle. Certainly at the e; /archives//html/TenTec/2007-12/msg00181.html (8,827 bytes)
13. Re: [TenTec] 40M Band Sweeps (score: 1): Author: "Paul Christensen" <w9ac@arrl.net>; Date: Thu, 6 Dec 2007 20:21:04 -0500; Stuart, Good info to share. Tnx! Paul, W9AC _______________________________________________ TenTec mailing list TenTec@contesting.com http://lists.contesting.com/mailman/listinfo/tentec; /archives//html/TenTec/2007-12/msg00182.html (8,945 bytes)
14. Re: [TenTec] 40M Band Sweeps (score: 1): Author: "John H. Mouw" <john.mouw@saintleo.edu>; Date: Thu, 6 Dec 2007 11:16:24 -0500; Is this the same sound that sounds like a flying saucer taking off? I see the same thing on 80 meters - several times in a couple hours last night.I have been told they are some sort of newer ionosph; /archives//html/TenTec/2007-12/msg00187.html (10,891 bytes)
15. Re: [TenTec] 40M Band Sweeps (score: 1): Author: Doug Smith <Doug@BlueSky.org>; Date: Thu, 06 Dec 2007 09:09:52 -0700; Is it limited to 7.0 - 7.3 MHz? There is a government system "Chirp Sounder" that sweeps the entire HF spectrum. There are multiple receivers in multiple locations that are synched to the transmitter; /archives//html/TenTec/2007-12/msg00191.html (9,249 bytes)
16. Re: [TenTec] 40M Band Sweeps (score: 1): Author: "Paul Christensen" <w9ac@arrl.net>; Date: Thu, 6 Dec 2007 22:32:02 -0500; No, I now see that is it much broader than just 40M. From my location, signal strength is about +35/S9 at any time of day. So, it does appear to be some form of governmental or research-based chirpi; /archives//html/TenTec/2007-12/msg00192.html (9,223 bytes)
17. Re: [TenTec] 40M Band Sweeps (score: 1): Author: "Stuart Rohre" <rohre@arlut.utexas.edu>; Date: Thu, 6 Dec 2007 19:13:02 -0600; Anyone wanting to see where major ionosonde stations are located can Google "ionosonde". One of the links has a link. Now, it is the case that some of these research ionosondes come and go, depending; /archives//html/TenTec/2007-12/msg00195.html (9,786 bytes)
18. Re: [TenTec] 40M Band Sweeps (score: 1): Author: Kevin Purcell <kevinpurcell@pobox.com>; Date: Fri, 7 Dec 2007 13:40:44 -0800; ALE doesn't sweep it sends on particular (selected channels) for a given net in selected from a predetermined list and in conjunction with predictions from a propagation program. You can hear typical; /archives//html/TenTec/2007-12/msg00224.html (10,646 bytes)
19. Re: [TenTec] 40M Band Sweeps (score: 1): Author: "Stuart Rohre" <rohre@arlut.utexas.edu>; Date: Mon, 10 Dec 2007 17:53:38 -0600; Thanks Kevin for clarifying the actual transmission of ALE equipment during acquisition of a frequency. Another thought crossed my mind, what about the RF emanations of Plasma TV's? Is that in the fo; /archives//html/TenTec/2007-12/msg00338.html (9,761 bytes)
20. Re: [TenTec] 40M Band Sweeps (score: 1): Author: "Dr. Gerald N. Johnson" <geraldj@storm.weather.net>; Date: Mon, 10 Dec 2007 20:06:14 -0600; Some years ago I acquired an ultrasonic pest chaser. It used a couple 555 oscillators to sweep and to drive a tweeter. Supposed to chase mice and spiders. It also clobbered ham bands and TV with harm; /archives//html/TenTec/2007-12/msg00339.html (10,878 bytes)

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