[amsat-bb] Re: Wanted: 70 cm helix design

Andrew Rich vk4tec at people.net.au
Thu Dec 6 14:00:00 PST 2007

S1 to S5 improvement on GO-32

16 standoffs
3 inch spaces between dowel standoffs
8-1/8 diameter loop
1/2 inch between first 1/2 turn and the 300x300 reflector (have to make
N connector
16 x 3 inch = 48 inches plus 1/2 inch = 48.5 inch boom.
PVC boom
Dowel standoffs
Liquid nails the standoffs into the pvc boom
Drill a little hole in the end of each dowel.
Tiny cable ties hold the coil in place
3 mm fencing wire.

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