After an initial beta testing of MLAT for premium users, we are now satisfied with how it works and we have launched it for all our users on www.flightradar24.com and in our apps. You can read more about ADS-B, MLAT and FAA on our how it works-page
For security and privacy reasons information about some aircraft is limited or blocked. This has been a hot topic in previous threads here on the forum and we will not discuss this matter any more. As we have mentioned before Flightradar24 is working with authorities and we will not discuss this in public. We will not comment or discuss what other services are showing or not showing. All discussion regarding this will be deleted from this thread!
MLAT on FR24 can ONLY be done with FR24 receivers. There are NO exceptions.
If you want to host a FR24 receiver please apply on http://www.flightradar24.com/free-ads-b-equipment
If you have any questions about MLAT on Flightradar24 please post in this thread.
In some regions with good ADS-B coverage we also calculate positions of aircraft with the help of Multilateration (MLAT), by using a method known as Time Difference of Arrival (TDOA). That makes it possible to view most aircraft, even thoses without an ADS-B transponder. 4 ADS-B receivers or more, covering the same area, are needed to make MLAT work. That means that MLAT coverage can only be achieved above about 15000-20000 feet depending on distance to receivers.
MLAT on FR24 can ONLY be done with FR24 receivers. There are NO exceptions.
If you want to host a FR24 receiver please apply on http://www.flightradar24.com/free-ads-b-equipment
If you have any questions about MLAT on Flightradar24 please post in this thread.
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