Just built myself a 137 MHz QFH antenna. : r/RTLSDR
My first try at receiving NOAA/Meteor at 137MHz. I am using a Nooelec NESDR SMArt v4 with a QFH antenna + Broadband LNA + SDR# using 26 meters (85 feet) of RG59
How to Build the World's Lightest Quadrifilar Helix Antenna – LVL1 – Louisville's Hackerspace
How To Build A QFH (Quadrifilar Helix Antenna) to Download Images From Weather Satellites
Connection diagram for the QFH antenna in 2023 | Ham radio antenna, Antenna, Weather satellite
QHF Quadrifilar APT Antenna
QFH Antenna and my first reception of NOAA! | Lets Hack It
Quadrifilar Helix
The Antenna - wx
Satellites reception
QFH Antenna and my first reception of NOAA! | Lets Hack It
Equipment
QHF Quadrifilar APT Antenna
QHF Quadrifilar APT Antenna
OH2GVB Quadrifilar Helical Antennas
F4BPP Homepage
Weather satellite
weather satellite ground station
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Antena QHA para satélites polares. (30STV)
Timestep Weather Satellite Systems
Quadrifilar Helix Antenna (137 MHz) for NOAA Weather Satellites
HAM RADIO | Homebrew QFH antenna with APT-format transmission from NOAA 18 satellite, 518 miles up, and over New England | Facebook
Making a Quadri Filar Helix antenna - Resource Detail - The DXZone.com
An easy 3D printed quadrifilar helix antenna - Gallery - Libre Space Community
SAT
