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Total 3 documents matching your query.

1. [TowerTalk] Twin-coax balanced line (score: 1): Author: ccc@space.mit.edu (Chuck Counselman); Date: Tue Aug 5 17:04:47 2003; Twin coax is _not_ always a good, or even a fair, substitute for open-wire line. Here's an illustration of how bad it could be. The driving-point impedance of my quasi-G5RV doublet for f = 10.1 MHz i; /archives//html/Towertalk/2003-08/msg00156.html (7,867 bytes)
2. [TowerTalk] Twin-coax balanced line (score: 1): Author: W4EF@dellroy.com (Michael Tope); Date: Tue Aug 5 21:17:49 2003; Yes, Chuck, I ran similar calculations and found that I needed to go with at least 7/8" heliax in order to be competitive with open wire line when trying to feed antennas with very high input impedan; /archives//html/Towertalk/2003-08/msg00162.html (9,640 bytes)
3. [TowerTalk] Twin-coax balanced line (score: 1): Author: ccc@space.mit.edu (Chuck Counselman); Date: Tue Aug 5 22:05:36 2003; What I did when I installed this antenna was to run 15 meters of open-wire line to the end of my house nearest the antenna, then go through the wall up near the peak of the roof with a pair of big St; /archives//html/Towertalk/2003-08/msg00168.html (8,874 bytes)

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