Understand the data behind live flight tracking
Sanum.store Flight Tracker explains the terminology and technology behind live aircraft tracking in plain language. Explore ADS-B, aircraft identifiers, altitude, speed, airport codes and the reasons live coverage can change from one place to another.
Learn how ADS-B receivers, aircraft transponders and map software work together to create live flight tracking.
Read guide →AVIATION GUIDEWhat is ADS-B?A clear introduction to ADS-B, the aircraft broadcast technology behind much of modern live flight tracking.
Read guide →AVIATION GUIDECallsign vs flight numberUnderstand the difference between an airline flight number, radio callsign, registration and ICAO hex code.
Read guide →AVIATION GUIDEAircraft altitude explainedUnderstand barometric altitude, geometric altitude, flight levels and why trackers can show different values.
Read guide →AVIATION GUIDEWhat is a squawk code?Learn what the four-digit transponder code means on a live aircraft tracker.
Read guide →AVIATION GUIDEHow airport radar pages workHow Sanum.store Flight Tracker focuses live traffic around airports and why nearby aircraft counts change constantly.
Read guide →AVIATION GUIDEAircraft registration guideLearn how aircraft registrations differ by country and how registrations can be used for aircraft tracking.
Read guide →AVIATION GUIDEGround speed vs airspeedWhy a flight tracker usually shows ground speed and how wind changes the number you see.
Read guide →AVIATION GUIDEICAO vs IATA airport codesLearn the difference between three-letter IATA codes and four-letter ICAO airport identifiers.
Read guide →AVIATION GUIDEWhy aircraft disappear from live radarCommon reasons an aircraft can vanish temporarily from a public flight tracking map.
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