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A Helix antenna for 2 metre satellite


A Helix antenna for 2 metre satellite
The main boom is 25 mm. sq. galvanized steel tube with a 1.6 mm. wall thickness, and 5m. long. This is for a 10 turn helix, and allowing approx 400mm
post 04 Jul 2024


Helix Antennas Links

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Antenne helicoidale 2.4 GHz
2.4 GHz antenna design ideal for amateur satellite communications

Helix 2.425 GHz band
Broad bandwidth in the 2.425GHz band

circularly polarized antenna software
Software for calculator helix antenna

Detalles de diseo y construccion de una antena helicoidal
Here is a page with images of a 3-turn helicoid that was built for a reception system in the 1690 MHz band


Linear-loaded-short-dipole-21mhz

Linear loaded short dipole 21Mhz For my amateur radio activities on the HF bands I only have a 3.6 m wide balcony available for antennas. After some study I decided to experiment with a shortened dipole for the 15 m band

Rx antennas 4Square Rx Vertical Array

Rx antennas 4Square Rx Vertical Array My frequency design of 1.825 MHz a 90 degrees line would be 33,70 metersinstead of the previously calculated 33,27 m

A simple SWR Meter is to be used at HF

A simple SWR Meter is to be used at HF An SWR meter provides information about how well matched is your antenna with the transmitter and how well power is being radiated