Originally Posted by
SCPL_1988
150 miles at 6,000 feet is a no-brainer and odds are that at 6,000 feet where this C-130 broke up, that
there were a significant number of receivers monitoring the A-DSB out.
This brings in an increase in accuracy to the point of indicating altitude and airspeed. Its called M-LAT, meaning multiple stations increase accuracy of data interpreted.
Multilateration (MLat) does not improve the accuracy of airborne ADS-B.