by Michael Kaufman After concentrating my column for the last four issues on autopilots, my efforts will now turn to Global Positioning System, better known as “GPS.” When asked what…
Serving the Midwest Aviation Community Since 1978
Serving the Midwest Aviation Community Since 1978
by Michael Kaufman After concentrating my column for the last four issues on autopilots, my efforts will now turn to Global Positioning System, better known as “GPS.” When asked what…