411 REFERENCE · Wiktionary
GBAS
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
GBAs
English
ground-based augmentation system
Noun
en aviation en w:ground-based augmentation system, a system for improving the precision and accuracy of GPS signals to allow their use for low-visibility instrument approaches.
Derived terms
en GLS
Anagrams
en abgs Gabs bags BGAs gabs GABs BAGS ABGs
en Navigation