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1. Re: Topband: strange echos (score: 1): Author: "Ian Keyser" <ian.keyser@btopenworld.com>; Date: Sun, 11 Dec 2005 21:56:24 -0000; At 2200 last night in Dover, England, I was calling CQ on about 1820KHz switching between vertical and dipole on successive calls On the dipole round the world echoes were noticed .... these were sho; /archives//html/Topband/2005-12/msg00156.html (7,394 bytes)
2. Topband: strange echos (score: 1): Author: Dennis OConnor <ad4hk2004@yahoo.com>; Date: Mon, 12 Dec 2005 05:18:58 -0800 (PST); Ducting around the world will take roughly 130 milliseconds (0.130 sec.) A long time delay to be a direct echo, dit + echo, at 18 wpm... Now, a string of dits could duct around the world and come bac; /archives//html/Topband/2005-12/msg00173.html (7,501 bytes)
3. Re: Topband: strange echos (score: 1): Author: "Ian Keyser" <ian.keyser@btopenworld.com>; Date: Mon, 12 Dec 2005 13:35:16 -0000; At first there was a trailing tail to my dots. This appeard to fade and then the secod dot in the middle of the space appeared.... and got strong, S 5 or so.... this then faded away over a tens of mi; /archives//html/Topband/2005-12/msg00175.html (7,570 bytes)
4. Re: Topband: strange echos (score: 1): Author: "LA5HE Ragnar Otterstad" <la5he@otterstad.dk>; Date: Mon, 12 Dec 2005 15:01:53 +0100; Last night the trailing echo was present but never heard the longer delayed echo. Come to think of it I would say that the delayed echo not delayed as long as an HF round the world signal. Ian, G3ROO; /archives//html/Topband/2005-12/msg00176.html (6,910 bytes)
5. Re: Topband: strange echos (score: 1): Author: Tree <tree@kkn.net>; Date: Mon, 12 Dec 2005 09:41:09 -0800; I imagine it sounded something like this? http://www.kkn.net/~tree/echo.wav two dits or a dah worth of echo on various transmittions. Tree _______________________________________________ Topband mai; /archives//html/Topband/2005-12/msg00180.html (7,125 bytes)
6. Re: Topband: strange echos (score: 1): Author: jkearman@att.net (Jim Kearman); Date: Mon, 12 Dec 2005 20:04:56 +0000; I time-stretched your recording 4X and put 10 seconds of the result into an MP3 recording. http://kr1s.kearman.com/html/echo.html The second echo near the end appeared only once. There's also a sonog; /archives//html/Topband/2005-12/msg00184.html (6,734 bytes)

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