Air Navigation Systems
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Term
NDB (Nondirectional Beacon) Basics
Definition
• Frequency: 190-535 kHz (low/medium frequency) • Provides bearing information to 'home' on station • Uses ADF (Automatic Direction Finder) receiver • No flag warning for erroneous bearings - monitor ID continuously • Vulnerable to lightning, precipitation static, and nighttime interference
AIM 1-1-2