What does it mean?
Technology
Business
Society
Internet
Authority
Science
Various
World
Medical
OTH
means Over-the-Horizon
Radar
in
NASA
Similar to OTH
A/G
- Air to Ground
A/L
- AutoLand
A/L
- AirLock
A/L
- Approach and Landing
AA
- Astronomical Applications
AA
- Adverse Action
AA
- Antenna Assembly
View all in NASA