What does RTLT stand for?
What does RTLT mean? This page is about the various possible meanings of the acronym, abbreviation, shorthand or slang term: RTLT.
We've found a total of 1 definition for RTLT:
What does RTLT mean?
- round-trip light time, RTLT(noun)
- the elapsed time it takes for a signal to travel from Earth to a spacecraft (or other body) and back to the starting point