2.45 GHz Helix with a modified GPS Antenna Preamplifier
 

hello!

A very successful project, indeed. I am still surprised *how* good
that thing works! Of course, receive only, unfortunately.
I made it in a few minutes. A thoroughly planned and carefully
designed project would have failed, sure.

http://members.aon.at/hwabnig/GHz245.pdf
have fun!

w.
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OE8UWW