c) Allows to forecast the weather in airspace control area

a) Serves for aircraft position and speed acquisition along with the other useful information

b) Allows to aircraft crew unambiguous navigation in air space

c) An automatic dependent system

a) An independent non-cooperative surveillance system

b) An independent cooperative system

c) To receive energy transmitted by objects in radar range

b) To transmit energy and receive energy reflected by objects in radar range

a) To receive energy transmitted by aircraft in the area of radar range

b) 160 to 200 NM

c) 60 to 80 NM

a) 10 to 30 NM

a) 14 to 18 RPM

c) 10 to 8 RPM

b) 12 to 15 RPM

a) 60 to 80 NM

b) 160 to 200 NM

c) 10 to 40 NM

c) For secondary radar is no possibility to calculate range

a) Identical for primary and secondary radar

b) Not identical for primary and secondary radar

c) Transmitted pulse width

a) Transmitted power

b) Repetitive frequency

c) ADS-B technology application

b) Secondary radar range

a) Primary radar range