PPM in NASA could mean:
Displaying 1-4 of 4 result(s).
PPM
Pulses Per Minute
in NASA
PPM
Pulse Position Modulation
in NASA
PPM
Parts Per Million
in NASA
PPM
Part per Minute
in NASA




Similar to PPM

A/L - AutoLand
A/L - AirLock
A/L - Approach and Landing
AA - Astronomical Applications
AA - Adverse Action
AA - Antenna Assembly
AAA - Avionics Air Assembly

View all in NASA