Margin of error between 5 and 10cm. The system is characterized by portable, suitable for mounting on vehicles receptor, boats, tripods or use "backpack" equipment.
Kiasi ya makosa kati ya 5 na 10cm. mfumo ni sifa kwa portable, yanafaa kwa ajili linajitokeza katika magari receptor, boti, tripods au kutumia "backpack" vifaa.