Difference between revisions of "Modez"

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(Decoder)
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== Summary ==
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The full write-up with screenshots, experimental results, comparisons to other hardware, overseas tests, etc, can be found on the [http://spench.net/drupal/research/mode-s main page].
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== Decoder ==
 
== Decoder ==
  

Revision as of 23:36, 24 July 2011

Summary

The full write-up with screenshots, experimental results, comparisons to other hardware, overseas tests, etc, can be found on the main page.

Decoder

  • Scope of Mode S short frame with (red) binary decode overlaid:

ModeS DecodedBits.png

  • Drawing on Eric Cottrell's original decoder, this is the Modez-enhanced scope view with preamble, reference level and data-start/end markers:

Modez Scope.png

  • Evolution of the decoder showing improved noise floor:

Modez Noise Floor.png

Raw Samples

  • 8MHz chunk visualised in Baudline:

ModeS Baudline.png

Inspiration

  • Accessing SFO RADAR using the magic code-breaking box in the classic film Sneakers:

Sneakers Radar.jpg