Turnstile Antenna
From Hackerspace.gr
File:Turnstile Antenna.png
Turnstile Antenna
Contents
Turnstile Antenna for VHF
Description
A simple turnstile antenna for satellite VHF reception.
Log
Specifications
- Polarization: Right-handed circular
- Frequency: ~137MHz
- Impedance: 75Ω
Materials
- 6mm dia. threaded rods
- PVC tubing
- RG-59 cable
Milestones / ToDo
- Come up with a proper design
- Calculate delay line stub
Photos
Resources
Team
Whiteboard
Circular polarization notes:
* Point of view is the source and '''not'' the receiver.
* To achive this, the "delayed" dipole should be the one ''ahead'' of the directly fed,
when viewing from the bottom of the antenna and moving clockwise.
