[jtrout19]

So I want to build one of these. I found this page with instructions http://www.i1wqrlinkradio.com/antype/ch30/chiave1743.htm My only question is what are the measurements in? I am assuming MM but I want to double check before I start building.

[f5soh]

Try inches

https://librepilot.atlassian.net/wiki/display/LPDOC/Homemade+Helix+GPS+antenna