The following Mega-Guard DP Position Reference Systems (PRS) are available:
DGPS/Glonass with NTRIP (DGN-5000)
Hydroacoustic Position Reference (HPR-5000)
Taut wire Position Reference (TPR-5000)
Third party position reference systems like DGPS with IALA, Seastar or Veripos and position reference systems based on laser and radar are supported as well.
The Mega-Guard DP system supports up to 16 different position reference systems. The final position is calculated taking into account the reliability, accuracy and weighing factor of each position reference system.