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Total 167 documents matching your query.

161. Topband: low topband activity (score: 1)
Author: "Dr. Wolf Ostwald" <df2py@t-online.de>
Date: Sat, 22 Oct 2016 18:08:34 +0200
hello TB afficionados :-) surely the last poor years have taken their toll on the activity. The sun has been misbehaving for some years and it does take some time to get people back on the air. Some
/archives//html/Topband/2016-10/msg00139.html (7,470 bytes)

162. Topband: ARRL160CW frm EU center (score: 1)
Author: "Dr. Wolf Ostwald" <df2py@t-online.de>
Date: Tue, 6 Dec 2016 07:31:16 +0100
hi reflectees ! This contest is history by now and it was hard work from the interior of EU. The first nite cndx were better, but US stns suffered from heavy traffic QRM most times. They surely had a
/archives//html/Topband/2016-12/msg00089.html (8,067 bytes)

163. Topband: 160m open at high A-index plus hi solar wind (score: 1)
Author: "Dr. Wolf Ostwald" <df2py@t-online.de>
Date: Sat, 7 Jan 2017 17:00:38 +0100
hi reflectees, as this morning yielded very good propagation on the polar routes, it made me wonder why. The A-index was at 16, the solar wind close to 700 km/s. Normally that is bad news. we all exp
/archives//html/Topband/2017-01/msg00012.html (7,796 bytes)

164. Topband: LDEs, witches and magicians (score: 1)
Author: "Dr. Wolf Ostwald" <df2py@t-online.de>
Date: Wed, 8 Feb 2017 07:15:04 +0100
hello reflectees, i never ever experienced echoes on 160. And i do a lot of transmitting and have relatively sensitive rx systems. Given the laws of field expansion and attenuation i consider it a ho
/archives//html/Topband/2017-02/msg00039.html (6,900 bytes)

165. Topband: WWV/WWVH as prop-indicator for EU stns (score: 1)
Author: "Dr. Wolf Ostwald" <df2py@t-online.de>
Date: Sun, 26 Aug 2018 18:29:15 +0200
hello ! the CO and the HI locations provide valuable real-time propagation information for EU hams and others worldwide. One can clearly derive information on what path is open on what frequency to t
/archives//html/Topband/2018-08/msg00153.html (7,242 bytes)

166. Topband: WWV/WWVH versus ham beacons (score: 1)
Author: "Dr. Wolf Ostwald" <df2py@t-online.de>
Date: Tue, 28 Aug 2018 05:36:01 +0200
Hello everybody ! the ham band beacons dont launch the necessary ERP. The signal from WWV/WWVH equals that of a well equiped extra class station with power and a yagi antenna, at least from 10mc and
/archives//html/Topband/2018-08/msg00158.html (7,182 bytes)

167. Topband: AA0RS sig in EU (score: 1)
Author: "Dr. Wolf Ostwald" <df2py@t-online.de>
Date: Sat, 8 Sep 2018 21:35:20 +0200
Hello ! it seems that slowly the band nw opens up. Dave had a workable signal this morning into EU. It was a kind of 1 minute QSB intervall. And on the peak he was 549. But he came back to the second
/archives//html/Topband/2018-09/msg00077.html (7,338 bytes)

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