The DXZone.com Amateur Radio Internet Guide
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Lightweight 144 MHz Yagi antenna
Posted:
https://www.dxzone.com/dx34271/light...i-antenna.html
Antennas/2M
A Lightweight 2m Yagi for SOTA. The boom is 20mm PVC electrical conduit and
the elements are 2.4mm aluminium TIG welding rod. The antenna is carried as
a single length of conduit with the elements stowed inside the boom,
sealing them in with a bung. The driven element is connected directly to
50 Ohm coax with a BN-43-202 balun core to decouple the coax shield.