NAS EN ROUTE STAGE A, MODEL 1b, TEST AND EVALUATION OF THE PRE-PRODUCTION EQUIPMENT AN/FYQ-47.
Final rept. Feb 69-Apr 70
NATIONAL AVIATION FACILITIES EXPERIMENTAL CENTER ATLANTIC CITY N J
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The ANFYQ-47 Production Common Digitizer PCD is an integrated circuit simplex model designed to derive aircraft positional information from FAAUSAF primary and secondary radar and beacon inputs. Beacon code replies for Mode 3A identify, Mode 2 military identity, and Mode C altitude are processed and reported in a digital message with associated positional information. At joint-use sites, the PCD also performs functions related to the USAF semi-automatic height finder process and handles information received from USAF gap filler radars. The major non-military inputs to the PCD are as follows radar and beacon videos, radar and beacon pre-triggers, and reference and azimuth change pulses ACPs generated at the radar antenna. Author
- Air Navigation and Guidance