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References: [ +from:fabio.grisafi@libero.it: 13 ]

Total 13 documents matching your query.

1. [TowerTalk] KT34XA or KT36XA WITH LADDER LINE ? (score: 1)
Author: "Fabio Grisafi - IT9GSF" <fabio.grisafi@libero.it>
Date: Mon, 20 Feb 2006 23:49:55 +0100
Hello Guys ! I have to refurbish my KT34XA antenna with the M2 kit to have a KT36XA antenna but I have an idea ! What about using a ladder line (300 Ohm or 400 Ohm) and use a tuner at the station lev
/archives//html/Towertalk/2006-02/msg00290.html (7,172 bytes)

2. [TowerTalk] RHOMBIC RESISTORS (score: 1)
Author: "Fabio Grisafi - IT9GSF" <fabio.grisafi@libero.it>
Date: Tue, 28 Feb 2006 00:14:51 +0100
I wish to know how could I build non-inductive 600-800 Ohm 1KW resistors to use with rhombic antennas. Thank you, Fabio, IT9GSF. _______________________________________________ ______________________
/archives//html/Towertalk/2006-02/msg00397.html (6,952 bytes)

3. [TowerTalk] Need help to buy USA items (score: 1)
Author: "Fabio Grisafi - IT9GSF" <fabio.grisafi@libero.it>
Date: Fri, 24 Mar 2006 23:47:26 +0100
Hello ! Sorry for asking some private help here. I wish to buy some gear in USA. Sorry I Can't attend Dayton this year, I need to buy the KT34XA upgrade kit by M2, some roofing filters for my IC765's
/archives//html/Towertalk/2006-03/msg00505.html (7,054 bytes)

4. [TowerTalk] RX 6mts/20Ft verticals and MFJ1026 (score: 1)
Author: "Fabio Grisafi" <fabio.grisafi@libero.it>
Date: Mon, 5 Feb 2007 21:57:48 +0100
Hello ! Do anyone know of an approach to use two or three switched/reduced verticals with the MFJ signal enancher/noise reducer (phase shift pre) MFJ1026 ON 160 MTS FOR rx ? I suppose to use the MFJ
/archives//html/Towertalk/2007-02/msg00076.html (7,094 bytes)

5. [TowerTalk] WATER in KT34XA capacitor (score: 1)
Author: "Fabio Grisafi" <fabio.grisafi@libero.it>
Date: Mon, 23 Apr 2007 21:43:58 +0200
Hello Guys ! Yesterday I repaired the fron driven element of my KT34XA but forgot to inspect for water inside the capacitors. Infact, after repair, the SWR is very high (10 watts test). The element w
/archives//html/Towertalk/2007-04/msg00479.html (6,853 bytes)

6. [TowerTalk] 40 mts moxon and 20 mts yagi (score: 1)
Author: "Fabio Grisafi" <fabio.grisafi@libero.it>
Date: Thu, 26 Apr 2007 22:31:33 +0200
Hello ! I wish to build a dual band antenna for the 40 and 20 mts bands. I have a 33 ft 3" diam. boom and I am thinking of a two elements moxon rectangle for 40 mts and a 3 or 4 elements yagi for 20
/archives//html/Towertalk/2007-04/msg00550.html (7,146 bytes)

7. [TowerTalk] KT34XA to 20-15 mts interlaced (score: 1)
Author: "Fabio Grisafi" <fabio.grisafi@libero.it>
Date: Wed, 9 Jan 2008 00:53:49 +0100
Hello Guys ! I wish to build an interlaced biband yagi for 20 and 15 meters using my KT34XA parts. The KT34XA has a good gain but poor F/B and pattern on 15 mts. I would consider to miss 10 meters (I
/archives//html/Towertalk/2008-01/msg00121.html (7,839 bytes)

8. [TowerTalk] RX 4square active element (score: 1)
Author: "fabio.grisafi@libero.it" <fabio.grisafi@libero.it>
Date: Sun, 20 Jan 2008 18:25:07 +0100
Hello Guys! I wish to build an RX four square for 160-80 mts. The design I want to duplicate is the DXEngineering system. I have enough experience to do it but I wish to know what kind of active elem
/archives//html/Towertalk/2008-01/msg00426.html (6,778 bytes)

9. [TowerTalk] Noise from eolic field (score: 1)
Author: "Fabio Grisafi" <fabio.grisafi@libero.it>
Date: Thu, 24 Apr 2008 19:51:20 +0200
A big european company is building an eolic field with 49 tower/generators near my contest QTH (about 2000 feet in north direction- total power: several dozens of MW). Each tower is about 200-250 fee
/archives//html/Towertalk/2008-04/msg00567.html (7,775 bytes)

10. [TowerTalk] Double half square (score: 1)
Author: "fabio\.grisafi\@libero\.it" <fabio.grisafi@libero.it>
Date: Fri, 26 Sep 2008 22:42:36 +0200
Hello Guys! I wish to know if there is any trouble in alternatively feeding two half square in this manner: - Coax shielding connected to the vertical portion at the feed point. - Central of the coax
/archives//html/Towertalk/2008-09/msg00539.html (6,952 bytes)

11. [TowerTalk] Dual bander 80-160 mts (score: 1)
Author: "Fabio Grisafi" <fabio.grisafi@libero.it>
Date: Thu, 16 Oct 2008 21:42:31 +0200
Hello Guys! I have to rebuild my 160 meters' vertical (Inverted L) with an extra idea that I hope is not meaningless. The vertical is made by aluminum (3 to 2 inches diameter) up to 22 meters (72 ft)
/archives//html/Towertalk/2008-10/msg00300.html (7,770 bytes)

12. [TowerTalk] 2 x half square (score: 1)
Author: "Fabio Grisafi" <fabio.grisafi@libero.it>
Date: Fri, 17 Jul 2009 15:31:32 +0200
I wish to build a double HALF SQUARE for 80 meters. Two options: 1) Three towers in a triangle with a relay switch atop a tower (South tower) that switches between the horizontal wires that continue
/archives//html/Towertalk/2009-07/msg00315.html (6,966 bytes)

13. [TowerTalk] Power splitter (score: 1)
Author: "fabio.grisafi@libero.it" <fabio.grisafi@libero.it>
Date: Tue, 14 Sep 2010 21:13:14 +0200 (CEST)
Hello, I need to divide 100W to two 50ohm loads in the HF range. I don't remember how to wind a magic tee. I have some toroids by Amidon (two large RED toroids, and some 73 material ferrite toroids).
/archives//html/Towertalk/2010-09/msg00319.html (7,211 bytes)


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