"QHA"

[mirok]

hi
I wanna design and make an quadrifilar helical anttena "QHA"
do any one of u dears know sth. helpful about how can I begin and how to continue that.

tanx

 

[jbartos]

Suggestion: Visit

http://www.ee.surrey.ac.uk/Personal/A.Agius/pub.html

http://www.ee.surrey.ac.uk/Personal/A.Agius/qha_perf.html

http://ecco.bsee.swin.edu.au/chronos/metsat/qharefs.html

etc. for more information.

 

This document should greatly assist you:

http://www.hamsat.net/helix.pdf