QFH Antenna and my first reception of NOAA! | Lets Hack It
RTL-SDR
Two-element turnstile antenna for reception of weather satellite data, 137 MHz. Has circular polarization. | Ham radio antenna, Ham radio, Satellite antenna
PDF) The Basics of Quadrifilar Helix Antennas
Backfire resonant quadrifilar helix antenna popular for GNSS,... | Download Scientific Diagram
Long quadrifilar helical antenna geometry over an infinite ground... | Download Scientific Diagram
Building an L-band helical antenna for Inmarsat
Satellites reception
L-band | Hackaday
Quadrifilar Helix SATCOM Antenna
Satellites reception
New to SDR? Luaradio Guide for Software Defined Radio_Hacker News - MdEditor