On the bench… Construction of a Beam HF 5 bands
Inspired by JK Antenna (JK NAVASSA-5) & Optibeam (OB11-5)
(Updated on time... More development & measurements later)
July 2016: 9 Elements, 5 Bands / Multiband Yagi 10, 12, 15, 17 & 20 meters on a 5,1m boom.
August 2016: I added 2 more el. as 11 Elements, 5 Bands / Multiband Yagi that interlaces 10, 12, 15, 17 & 20 meters on a 6m Boom.
73's de ZS1II
Balun 1:1 - 2 x FT-240-61 core
Modification U bolt, before and after !
Transmission Lines & Balun Assembly