Birdwatch Note Rating
2024-10-09 09:14:08 UTC - HELPFUL
Rated by Participant: C6BA83321CD7EC10E72290ED8658EEABE18D4828C2AEB928ABC433829663B10B
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Original Note:
The author has provided no evidence. When any aircraft broadcasting ADSB data operates at low altitudes, ADSB receiving stations cannot pick up their data so they appear offline. https://www.researchgate.net/figure/An-aircraft-at-a-low-altitude-is-difficult-to-track-with-ADS-B-Mode-S-where-the-terrain_fig1_350130867
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