20/01/2012

Loop feed for 144 MHz

 

432 MHz feed is already in use

 

Feed horn for 10m dish with F/D 0,4 

Left picture - complete feed diameter 1260mm, loop length 1995mm, loop diameter 635mm, diameter of loop wire 3,6mm, loop is 258mm over the bottom feed. Feed is 270mm deep. Mesh is galvanized 6x6mm.

Left down is 7/16" connector with relay and VLNA

Right down is 50 ohm feeder, length 258mm

Measured SWR in open space -28dB. Expecting to try feed in the dish soon.

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