137MHz Quadrifilar Antenna - Resource Detail - The DXZone.com
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
Double Cross Satellite Antenna | 137Mhz | NOAA | RTL-SDR | APT Reception www.arnabkumardas.com - YouTube
Just built myself a 137 MHz QFH antenna. : r/RTLSDR
Receiving NOAA weather satellite images
KE-137 QFH Antenna NOAA, ACARS 135/137 MHz
How To Build a Quadrifilar Helix Antenna for Weather Satellites - Resource Detail - The DXZone.com
QHF Quadrifilar APT Antenna
QHF Quadrifilar APT Antenna
Ing. Miroslav Gola - EMGO
My APT System
QHF Quadrifilar APT Antenna
Quadrifilar Antenna for NOAA APT Satellites :: Luigi Cruz - PU2SPY
Weather Satellite Antenna | WXSAT Antenna, Own Pictures
![PDF] A Compact and Wideband Quadrifilar Helical Antenna Designed for RFID Readers | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/3d8ad66ac7f63a5176319df35c8edeac0bf9ba0f/2-Figure2-1.png "PDF] A Compact and Wideband Quadrifilar Helical Antenna Designed for RFID Readers | Semantic Scholar")
PDF] A Compact and Wideband Quadrifilar Helical Antenna Designed for RFID Readers | Semantic Scholar
137 MHz QHF Quadrifilar APT Antenna - Resource Detail - The DXZone.com
Quadrifilar Antenna for NOAA APT Satellites :: Luigi Cruz - PU2SPY
The Quadrifilar Helix as a 2 Meter Base Station Antenna
SAT
Equipment
Antena QHA para satélites polares. (30STV)
Satellites reception
The Quadrifilar Helix Antenna - Resource Detail - The DXZone.com
Just built myself a 137 MHz QFH antenna. : r/RTLSDR
QFH antenna for NOAA Satellites - Resource Detail - The DXZone.com
Receiving antenna choice - 2016 NOAA: receiving weather images
