Fine Resolution Errors in Secondary Surveillance Radar Altitude Reporting amongst Aircraft Transmitting the Conspicuity Codes 4321 and 4322
Abstract
The incidence of Secondary Surveillance Radar (SSR) Mode C pressure altitude encoding faults of the type caused by stuck/shorted C bits has been investigated amongst aircraft in UK airspace transmitting the SSR Mode A conspicuity Codes 4321 and 4322. Combining a recently measured frequency for similar Mode C faults amongst non-Conspicuity Code aircraft (0.44%) with presently measured frequencies of SSR plots and Mode C faults for Conspicuity Code aircraft leads to estimates of the overall frequency for stuck/shorted C bit faults ranging from 0.49% for the airspace covered by the Civil Aviation Authority Heathrow Tower radar to 0.70% for similar equipment at Debden. Great Britain.
Document Details
- Document Type
- Technical Report
- Publication Date
- Jun 01, 1988
- Accession Number
- ADA205561
Entities
People
- B. A. Wyndham
- D. B. Jenkins
- P. Banks
Organizations
- Royal Signals and Radar Establishment