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Quadrifilar Helical Antennas
The Quadrifilar Helical Antenna, it ideal for a number of uses. Satellite reception and transmission may be number one among them
post 27 May 2024
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435MHz 12 turn Helix Antenna
This 50 ohm impedance antenna, when powered with 25-100W of RF in SSB, joins the Molniya orbiting satellites as AO-40 and AO-10
Techniques of Quadrifilar Helix Antennas for Small Satellites
Quadrifilar helix antennas are also called fractional turn helix is very appealing to spacecraft applications
A Home made Helical antenna for a GPS
In the practical construction of a half-turn quadrifilar helix it is especially important to respect the exact lengths of the helical wires
A quadrifilar helix weather satellite receiving antenna
How to make a quadrifilar helix QFH antenna easily from inexpensive materials PVC plumbing pipe and RG-58U co-axial
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This 50 ohm impedance antenna, when powered with 25-100W of RF in SSB, joins the Molniya orbiting satellites as AO-40 and AO-10
Quadrifilar helix antennas are also called fractional turn helix is very appealing to spacecraft applications
In the practical construction of a half-turn quadrifilar helix it is especially important to respect the exact lengths of the helical wires
How to make a quadrifilar helix QFH antenna easily from inexpensive materials PVC plumbing pipe and RG-58U co-axial
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