I just uploaded a rendition of Adam 9A4QAV’s L-Band patch antenna design to Thingiverse. His design doesn’t use a director, but one could be added if needed…
Here’s a link to a discussion of his design over on RTL-SDR.COM.
I just uploaded a rendition of Adam 9A4QAV’s L-Band patch antenna design to Thingiverse. His design doesn’t use a director, but one could be added if needed…
Here’s a link to a discussion of his design over on RTL-SDR.COM.
Using a cardboard and foil patch here, indoors. Receives Fleetnet and Safetynet fine.