Displaying 1-4 of 4 result(s).
Pulses Per Minute
in NASA
Pulse Position Modulation
in NASA
Parts Per Million
in NASA
129178129177129176129179
Similar to PPM
A/A - Air to Air
A/C - Aircraft
A/C - Associate Contractor
A/C - Air Conditioning
A/D - Analog-to-Digital
A/E - Architectural and Engineering
A/E - Activity Elements
View all in NASA