F4BPP Homepage
Quadrifilar helicoidal antenna - Photos of ON7EQ's version
Pin on Communication
QFH Antenna and my first reception of NOAA! | Lets Hack It
Quadrifilar helicoidal antenna - On-line mechanical template generator
NOAA Satellite Signals With a PVC QFH Antenna and Laptop : 9 Steps (with Pictures) - Instructables
Pin by Michael on Ham Radio in 2023 | Ham radio antenna, Ham radio, Antennas
WX Satellite Img Downlink Project
Building a QFH-Antenna and How I Did It : 7 Steps (with Pictures) - Instructables
OH2GVB Quadrifilar Helical Antennas
GitHub - errikosmes/SDR-Projects
Help Getting the Right Dimensions for QFH Antenna : r/RTLSDR
Anyone made a PVC pipe / coax QFH antenna? : r/RTLSDR
Quadrifilar helicoidal antenna - Copper pipe version of the QFH
BE Satcom on Twitter: "@v1rtu0s1ty This design is a crossed dipole type, a QFH antenna is quite different. Calculator for QFH type ant's: https://t.co/f8sS6yr4u8" / Twitter
10/2021 OCTOBER
Quadrifilar helicoidal antenna - On-line mechanical template generator
Quadrifilar helicoidal antenna - Javascript on-line calculator
Quadrifilar helicoidal antenna - Picture of Vaisala's GPS version
Qfh antenna for sale
F4BPP Homepage
QFH Antenna and my first reception of NOAA! | by Lucas Teske | Medium
HAM RADIO | Homebrew QFH antenna with APT-format transmission from NOAA 18 satellite, 518 miles up, and over New England | Facebook
Inexpensive) NOAA APT Ground Station Utilizing the RTL-SDR and 3D Printing. : 5 Steps (with Pictures) - Instructables
