Difference between revisions of "Turnstile Antenna"

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(Whiteboard)
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==Whiteboard==
 
==Whiteboard==
 
<pre>
 
<pre>
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.
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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.
 
</pre>
 
</pre>
 
[[Category:Projects]]
 
[[Category:Projects]]

Revision as of 13:22, 3 July 2013

File:Turnstile Antenna.png
LED_Matrix_Display

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 transmisstion 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.