Transcription of · spiderbeam construction guides · · 20/15/10m · · 20/17 ...
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· spiderbeam construction guides · · 20/15/10m · · 20/17 ...
spiderbeam construction guides 20/15/10m 20/17 /15/12/10m 20/17 /15m 30/17/12m df4sa 2002-2005 Version cornelius paul liebigstrasse 2-20 d-22113 hamburg 1 Contents 1. Introduction page 3 spiderbeam Fundamentals page 4 Materials List page 5 2. Preliminary Tasks page 6 Constructing the spider center joint page 6 Machining the Metal Parts page 8 Assembly page 8 Fabricating the Plastic Insulators & Guy Lines page 9 Fabricating t
The spiderbeam is a Tribander Yagi for 20-15-10m. It is constructed of 3 interlaced wire yagi antennas strung on a common fiber glass spider. These are: a 3-element yagi for 20m, a 3-element yagi for 15m and a 4-element yagi for 10m. In contrast to a regular yagi the director and reflector elements are bent in V-shape.
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