Modez

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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

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