Excellent GDOP <2
Tight geometry · sub-100 m fix
Good GDOP 2–5
Adequate geometry · ~200–400 m
Fair GDOP 5–10
Weak geometry · 400–800 m
Poor GDOP >10
Marginal fix · solver near limit
Anomaly detected
ML classifier · confidence >75% · pulsing ring
Spoof flag
MLAT vs ADS-B divergence >500 m · dashed ring
Normal / no alert
No anomaly or divergence detected
Sidebar Badges
ANOMALY
ML classifier flagged unusual track
SPOOF
Position diverges from ADS-B claim
NORMAL
Classifier: no anomaly
IDLE
No signal for >30 s
—
Not yet classified