GATE Questions & Answers of Basics of Geographical Information System (GIS) and Geographical Positioning System (GPS)

What is the Weightage of Basics of Geographical Information System (GIS) and Geographical Positioning System (GPS) in GATE Exam?

Total 2 Questions have been asked from Basics of Geographical Information System (GIS) and Geographical Positioning System (GPS) topic of Surveying subject in previous GATE papers. Average marks 1.00.

The minimum number of satellites needed for a GPS to determine its position precisely is

The system that uses the Sun as a source  of electromagnetic energy and records the naturally radiated and reflected energy from the object is called