[amsat-bb] I wonder if this commercial quadrifilar helicoidal antenna any good?
eric at christensenplace.us
Wed Mar 2 14:02:14 UTC 2016
On 03/02/2016 12:13 AM, Richard Tejera wrote:
> I made one for 137mHz to decode the NOAA WX says. Easier than it looks. Cost was about $25. I found an online applet that calculates the dimensions and prints a drilling template
> If your intersted,let me know and I'll dig up the url. (Bookmarked on another computer)
Always interested. Thank you!
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