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References: [ +from:om7zz@stonline.sk: 6 ]

Total 6 documents matching your query.

1. [TowerTalk] web site updated (score: 1)
Author: om7zz@stonline.sk (OM7ZZ)
Date: Mon May 12 14:55:50 2003
Hi guys New microHAM website is available. New products added (SO2R) any many others improvements. www.microham.com Please, take a look. 73 Jozef OM7ZZ
/archives//html/Towertalk/2003-05/msg00132.html (6,303 bytes)

2. Re: [TowerTalk] Looking for input on stacking (score: 1)
Author: "OM7ZZ, Jozef Urban" <om7zz@stonline.sk>
Date: Mon, 03 Nov 2003 17:31:08 +0100
in where meter beam who is into I Hi Mike and Rick I Agree with Rick You will need the higher antenna at 100'. At 20m band you need very low angles (around 2-3 deg, look at the Voice of America stud
/archives//html/Towertalk/2003-11/msg00043.html (11,322 bytes)

3. [TowerTalk] Re: ? AMERITRON REMOTE COAX SWITCH (score: 1)
Author: "OM7ZZ, Jozef Urban" <om7zz@stonline.sk>
Date: Fri, 30 Apr 2004 13:21:57 +0200
Hi Pete As I know RCS-4: SIGNAL - 3 relays, tree topology, signal goes always through two relays CONTROL - 12V through coax / 1pos GND / 2ps DC- / 3pos DC+ / 4pos AC / RCS-8 SIGNAL - 5 relays, star t
/archives//html/Towertalk/2004-04/msg00680.html (9,265 bytes)

4. RE: [TowerTalk] Help need Vacuum Relay Isolation 1.8 to 30 (score: 1)
Author: "OM7ZZ, Jozef Urban" <om7zz@stonline.sk>
Date: Wed, 05 Jan 2005 23:38:58 +0100
We're builded 10 ANT / 2 Radio switch with Gigavac G2SP relays. On each ANT port are three of them used. Achieved -60dB isolations on adjacent ANT ports and more than -70dB on non adjacent ports. Whe
/archives//html/Towertalk/2005-01/msg00127.html (7,504 bytes)

5. Re: [TowerTalk] Help need Vacuum Relay Isolation 1.8 to 30 (score: 1)
Author: "OM7ZZ, Jozef Urban" <om7zz@stonline.sk>
Date: Thu, 06 Jan 2005 01:22:41 +0100
Yes Jim. Little blue relays are used for switching of power vacuum relays. Principle is same as used at serialy produced little brothers of this switches - Double Ten and Double Six. Diagram of one p
/archives//html/Towertalk/2005-01/msg00134.html (10,928 bytes)

6. Re: [TowerTalk] Help need Vacuum Relay Isolation 1.8 to 30 (score: 1)
Author: OM7ZZ <om7zz@stonline.sk>
Date: Thu, 06 Jan 2005 02:54:50 +0100
Yes, you are right, transmission lines at a given impedance providing match to 50ohm. Hardest task was a design of this striplines. 7/16DIN antenna connectors are in circle layout with diameter 43cm
/archives//html/Towertalk/2005-01/msg00140.html (9,703 bytes)

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