qfh antenna

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qfh antenna

13 links - and 1 categories

Antennas : Antenna Calculators

Antennas : Quadrifilar Helix
  • QFH antenna for weather satellite band - This article describes how to make a quadrifilar helix (QFH) antenna easily, from inexpensive materials: uPVC plumbing pipe and RG-58U co-axial cable
    [ Hits: 4214 | Votes: 16 | Rating: 5.25 ]
  • 137 MHz QHF Quadrifilar APT Antenna - This version of the 135MHz quadrifilar antenna for APT reception is an adaptation from Bill Sykes and Bob Cobey's article Taming the QFH which appeared in the March 1997 RIG magazine.
    [ Hits: 6742 | Votes: 34 | Rating: 4.95 ]
  • A quadrifilar helix weather satellite receiving antenna - This article describes how to make a quadrifilar helix (QFH) antenna easily, from inexpensive materials: uPVC plumbing pipe and RG-58U co-axial cable.
    [ Hits: 17042 | Votes: 14 | Rating: 6.01 ]
  • QFH antenna for NOAA Satellites - NOAA Satellite Signals With a PVC QFH Antenna and Laptop, this website also link to a github where you can find files and supporting documentation for constructing a QFH Antenna
    [ Hits: 411 | Votes: 6 | Rating: 6.5 ]
  • NOAA Satellite Reception with QFH Antenna - How to receive NOAA weather satellite with a home made QFH Antenna. This project includes some easy and efficient notch filters to suppress noise from FM frequencies
    [ Hits: 256 | Votes: 1 | Rating: 8 ]
  • 137MHz Quadrifilar Antenna - This version of the 137MHz quadrifilar antenna for APT reception is an adaptation from Bill Sykes and Bob Cobey Taming the QFH which appeared in the March 1997 RIG magazine. This article contains detailed 3D pictures and models and detailed pictures.
    [ Hits: 228 | Votes: 3 | Rating: 7 ]
  • Making a Quadri Filar Helix antenna - A homemade Quadri filar Helix Antenna project with detailed pictures that can inspire and guide you on building your onw QFH antenna sor 137 MHz.
    [ Hits: 204 | Votes: 0 | Rating: 0 ]
  • How To Build a Quadrifilar Helix Antenna for Weather Satellites - How to build a QFH (Quadrifilar Helix Antenna) to download images from weather satellites. A complete tutorial on assembling QFH antenna at home with simple and common tools
    [ Hits: 680 | Votes: 6 | Rating: 7.17 ]
  • Making a Quadri Filar Helix antenna - Lot of pictures, drawings and schematics to build your own QFH Quadri Filar Helix antenna for 137 MHz satellite signals reception
    [ Hits: 448 | Votes: 6 | Rating: 3.83 ]
Antennas : Theory
  • Stacking, Phasing and Matching Yagi Antennas - This is a synopsis of a talk presented to the Sydney VHF DX GROUP by VK2ZAB on how, when and why is convenient to build a Yagi antenna stack.
    [ Hits: 238 | Votes: 2 | Rating: 10 ]
Operating Modes : Satellites : Weather Satellite
  • Quadrifilar helicoidal antenna - Design your own quadrifilar helix, the site even generates a drilling pattern in a PDF file. Several different construction methods are shown.
    [ Hits: 6071 | Votes: 16 | Rating: 6.87 ]
Technical Reference : Raspberry Pi
  • Raspberry Pi and Automatic NOAA Satellite Reception - How to receive automatically NOAA wather satellite images with a Raspberry Pi and a RTL SDR. This project requires a Raspberry Pi 3 Model B a common NooElec SDR Dongle and a QFH Antenna in the attic. Article explains how to setup and configure software but no instructions on antenna.
    [ Hits: 518 | Votes: 4 | Rating: 4.75 ]

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