Keith D. McDonald

A Status Report on the Development of Minimum Aviation System Performance Standards (MASPS) for a GNSS-Based Special Category I (SCAT-I) Precision Approach System

Keith D. McDonald, George T. Ligler, 1993 .

GPS Receiving Equipment Survey Applications, Operating Characteristics, Production Data, Physical and Electrical Parameters, Interface Ports, Price and Related Information

Keith D. McDonald, Carolyn P. McDonald, 1988 .

Development of Minimum Aviation System Performance Standards for DGNSS Instrument Approach Systems (DIAS)

Keith D. McDonald, George T. Ligler, 1993 .

The Feasibility of Using Small, Low-Cost Satellites (Econosats) as an Augmentation to GNSS and as an Eventual Fully Capable GNSS

Keith D. McDonald, Jim Nussbaum, 1993 .

The Modernization of GPS: Plans, New Capabilities and the Future Relationship to Galileo

Keith D. McDonald, 2002 .