Gillham code
nounEtymology Named after Ronald Lionel Gillham, a signals officer.
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Aeronautics, Aerospace, Aviation, Business, Engineering, Natural sciences, Physical sciences A zero-padded 12-bit binary code, a modified Gray code, used to transmit uncorrected barometric altitude between an encoding altimeter or analog air data computer and a digital transponder.
- Related terms
- Gillham interface