- 1. Topband: Ferrite Rods for Common mode choke? (score: 1)
- Author: "Raoul Coetzee" <raoulc@spicape.co.za>
- Date: Mon, 29 Aug 2005 11:48:23 +0200
- Hi I have quite a few ferrite rods, the type used for loop stick antennas in portable radios, and was wondering if it could be used as a common mode choke if a bunch of them could be arranged around
- /archives//html/Topband/2005-08/msg00069.html (6,760 bytes)
- 2. Re: Topband: "Is your feedline also an antenna?" (score: 1)
- Author: "Raoul Coetzee" <raoulc@spicape.co.za>
- Date: Wed, 5 Oct 2005 12:21:32 +0200
- I have had first hand experience with such a case in my homebrew linear amplifier's antenna change over relay, where I had noise from the mains coupled into the receiver through the relay coil.I not
- /archives//html/Topband/2005-10/msg00018.html (9,408 bytes)
- 3. Topband: Source impedance on pattern of Flags? (score: 1)
- Author: "Raoul Coetzee" <raoulc@spicape.co.za>
- Date: Mon, 10 Oct 2005 19:00:20 +0200
- I wonder: 1)If the termination resistance of a flag,pennant etc. effects the receiving pattern of such an antenna, then the source impedance should effect it as well in the same manner? 2)If my state
- /archives//html/Topband/2005-10/msg00052.html (7,216 bytes)
- 4. Topband: A good night from South africa (score: 1)
- Author: raoulc@spicape.co.za
- Date: Tue, 8 Nov 2005 09:57:50 +0200 (SAST)
- Hi all Topbanders! Last night was kind to me from my qth in nr Cape Town South Africa. First was F5IN, then KV4FZ, and later YO2RR with slow, deep qsb causing the sigs to disappear in the noise.Also
- /archives//html/Topband/2005-11/msg00056.html (6,908 bytes)
- 5. Topband: Think about us! (score: 1)
- Author: "Raoul Coetzee" <raoulc@spicape.co.za>
- Date: Fri, 25 Nov 2005 13:45:06 +0200
- Just a kind request! To all the very fast ops, please think about us folk down south and the qrn we may have when you send your call. Yes, its a contest but we can't work you if we can't hear your ca
- /archives//html/Topband/2005-11/msg00319.html (6,403 bytes)
- 6. Re: Topband: The death of 160m DX contests? (score: 1)
- Author: "Raoul Coetzee" <raoulc@spicape.co.za>
- Date: Mon, 12 Dec 2005 09:44:13 +0200
- Hear hear! Raoul, ZS1REC _______________________________________________ Topband mailing list Topband@contesting.com http://lists.contesting.com/mailman/listinfo/topband _____________________________
- /archives//html/Topband/2005-12/msg00166.html (7,891 bytes)
- 7. Re: Topband: KLIX, SPURS and FRONT END SAVERS (score: 1)
- Author: "Raoul Coetzee" <raoulc@spicape.co.za>
- Date: Mon, 16 Jan 2006 09:19:08 +0200
- Tom, I agree with all but would use the the shunt diode clamp in conjunction with an open realy contact or other means to prevent the rf being rectified in the diode clamp and causing more trouble.IO
- /archives//html/Topband/2006-01/msg00234.html (8,295 bytes)
- 8. Re: Topband: Contesting observations (score: 1)
- Author: "Raoul Coetzee" <raoulc@spicape.co.za>
- Date: Thu, 2 Feb 2006 15:09:03 +0200
- Yes, there are many clicking Yeasus but I am sure there are many other reasons for clicks that now conveniently gets blamed on FT1000's! All of us should perform some basic checks frequently, not onl
- /archives//html/Topband/2006-02/msg00041.html (7,796 bytes)
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