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References: [ +from:andy.ikin@btopenworld.com: 4 ]

Total 4 documents matching your query.

1. Re: Topband: Norton preamp (score: 1)
Author: <andy.ikin@btopenworld.com>
Date: Sun, 21 Jan 2007 19:13:16 -0000
Steve, I have made hundreds of balanced Norton amplifiers, ones where the windings are consolidated onto just two fair-rite 28430000302 twin hole cores. Also I have experimented with the 4 transforme
/archives//html/Topband/2007-01/msg00355.html (9,305 bytes)

2. Topband: low angle reception using active antennas (score: 1)
Author: "Andy Ikin" <andy.ikin@btopenworld.com>
Date: Sat, 1 Dec 2007 12:34:52 -0000
Is there any difference in the reception of low angle signals between using a vertically polarised active dipole mounted close to ground or a ground mounted active mono-pole using a 4 foot ground rod
/archives//html/Topband/2007-12/msg00001.html (7,219 bytes)

3. Re: Topband: low angle reception using active antennas (score: 1)
Author: "Andy Ikin" <andy.ikin@btopenworld.com>
Date: Wed, 5 Dec 2007 23:19:31 -0000
Trevor G0KTN, Wrote on December 05, 2007 11:20 AM "Haven't seen any replies to this, perhaps there were none. If you received anything "off-list" could you post a summary here please." Trevor, I have
/archives//html/Topband/2007-12/msg00061.html (10,174 bytes)

4. Re: Topband: low angle reception using active antennas (score: 1)
Author: "Andy Ikin" <andy.ikin@btopenworld.com>
Date: Sat, 8 Dec 2007 12:51:14 -0000
Many thanks for the replies; Lee K7TJR has made a convincing aurgument for using an active mono-pole. I am very close to resolving the IOP3 amplifier degregation by using 4 x 1N4448 diodes connected
/archives//html/Topband/2007-12/msg00084.html (7,932 bytes)

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