Franklin Collinear Antenna Explained by It's Inventor

FRANKLIN COLLINEAR ANTENNA - EXPLAINED BY IT’s INVENTOR

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Start reading from “Complete Specifications” at bottom of page 1.

https://c2.staticflickr.com/8/7749/18197545158_3d4969de91_n.jpg . https://c1.staticflickr.com/1/480/18197560618_58c172230d_n.jpg . https://c1.staticflickr.com/9/8805/18381310612_6c7ea0d0c8_n.jpg . https://c1.staticflickr.com/9/8799/17764783483_03099420e2_n.jpg

Very interesting, thank you for sharing.