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1. Topband: Antenna isolation measurements (score: 1): Author: Michel Spelier <on7eh@skynet.be>; Date: Wed, 28 Jan 2015 14:29:00 +0100 (CET); Prior to the CQWW160, we did some (topband) antenna isolation measurements between: -a quarterwave inv L (top at 15m down to 11m) and -a new unterminated beverage (0.8m high) of different lengths (vi; /archives//html/Topband/2015-01/msg00252.html (8,447 bytes)
2. Re: Topband: Antenna isolation measurements (score: 1): Author: "on7eh" <on7eh@skynet.be>; Date: Wed, 4 Feb 2015 22:37:09 +0100; Setup 3 below was retained (Tx antenna and 120m long beverage feed location are still 120m apart ) but the 160m inv L Tx antenna was converted into a quarterwave 80m vertical over the same radial wir; /archives//html/Topband/2015-02/msg00107.html (8,768 bytes)
3. Re: Topband: Antenna isolation measurements (3) (score: 1): Author: "on7eh" <on7eh@skynet.be>; Date: Thu, 5 Feb 2015 23:19:29 +0100; To complete this winters' measurement session, Elecraft's Gary Surrency quoted +33dBm (=2Watt) to be the max input power the K3 handles, prior to a (T)RX-failure. (TR-switch PIN diodes and/or post mi; /archives//html/Topband/2015-02/msg00209.html (11,549 bytes)
4. Re: Topband: QRP (score: 1): Author: Michel Spelier <on7eh@skynet.be>; Date: Tue, 15 Dec 2015 13:55:13 +0100 (CET); Hello, Living in a country, where 10W has been the upper limit set by the regulator in the early 160m days, I have been puzzled with this question for a long time... Given the progress on antenna and; /archives//html/Topband/2015-12/msg00149.html (8,820 bytes)
5. Topband: 160m LP to LP DX contacts in 2015 (score: 1): Author: Michel Spelier <on7eh@skynet.be>; Date: Thu, 17 Dec 2015 12:56:07 +0100 (CET); The title was changed to better describe the original question. This topband newcomer asked what had happened to the topband conditions, given the rare intercontinental Low Power to Low Power CW QSOs; /archives//html/Topband/2015-12/msg00199.html (8,468 bytes)
6. Topband: Echo on 160m yesterday morning (score: 1): Author: "on7eh" <on7eh@skynet.be>; Date: Sun, 5 Feb 2017 10:32:30 +0100; For the first time, I heard my echoes on topband, yesterday morning starting around 05 UTC. They lasted for at least 1 hour, with some OFF-periods in between. I had to quit at 06 UTC. (still 1 hour b; /archives//html/Topband/2017-02/msg00012.html (6,787 bytes)
7. Re: Topband: Echo on 160m yesterday morning (score: 1): Author: "on7eh" <on7eh@skynet.be>; Date: Sun, 5 Feb 2017 21:46:39 +0100; Art and all, unfortunately, I do not have a PC in the shack outside contest days, otherwise an answer could easily be provided. For sure, its presence was annoying, not hearing the expected noise in; /archives//html/Topband/2017-02/msg00024.html (10,200 bytes)
8. Re: Topband: Radials on ground (score: 1): Author: <on7eh@skynet.be>; Date: Sun, 9 Jan 2022 12:35:32 +0100; Dear all, Anyone in Europe willing to sell its used 2nd ed. Griffith book? Please send me a private mail. Thanks, Seasons greetings, Michel, ON7EH For medium wave, every ham who transmits with a base; /archives//html/Topband/2022-01/msg00060.html (8,924 bytes)

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