TABLE 8 Characteristics of radionavigation radars in the frequency range 8 700-9 300 MHz Characteristics Unit System G5 System G6 System G7 System G8 System S14 System G21 System G22 Function Precision Airport Precision Airport Surveillance Airport surface Airport surface detection approach and surveillance approach radar surface (vessel and detection equipment landing radar GCA detection coastal) equipment equipment Tuning range MHz 9 000-9 200 9 025 9 000-9 200 9 000-9 200 9 000-9 200 or 9 000-9 200; 9 000-9 200; agile over agile (4 frequencies Pulse to pulse 9 225-9 300 16 frequencies over 4 frequencies /system) agile over 4 predefined hopping predefined hopping frequencies Modulation Plain, Plain NLFM and V7N Plain and LFM Two LFM pulses define pulse NLFM pulse pair LFM pulse pulse pairs a pulse pair Fully coherent pairs pulse compression radar using complex pattern of chirps at up to 6 centre frequencies with three different chirp durations Peak power kW 120 0.3105 0.5 0.07 0.05-0.1 170 50 Pulse widths 0.25 1.2; 30; 96 0.65 and 25 0.04 and 4.0 0.150 to 40 0.040 and 4.0 10.0 and 0.15 at 7 500 μs pulse-pair (compressed (compressed to (both compressed to to 0.040) 0.040) 0.040); Pulse repetition pps 6 000 12 800; 3 470; 3 500; 4 096 each, 1000 5000 16 384 each System maximum – rate 3 2006 300; 5 200; 5 300 8192 total average 15 000 2 120 Max. duty cycle 0.0015 0.203 0.11 0.017 0.2 0.07 0.15
TABLE 8 Characteristics of radionavigation radars in the frequency range 8 700-9 300 MHz Characteristics Unit System G5 System G6 System G7 System G8 System S14 System G21 System G22 Function Precision approach and landing radar Airport surveillance GCA Precision approach radar Airport surface detection equipment Surveillance (vessel and coastal) Airport surface detection equipment Airport surface detection equipment Tuning range MHz 9 000-9 200 9 025 9 000-9 200 (4 frequencies /system) 9 000-9 200 Pulse to pulse agile over 4 frequencies 9 000-9 200 or 9 225-9 300 9 000-9 200; agile over 16 frequencies predefined hopping 9 000-9 200; agile over 4 frequencies predefined hopping Modulation pulse Plain, NLFM Plain NLFM pulse pair and LFM pulse pairs V7N Fully coherent pulse compression radar using complex pattern of chirps at up to 6 centre frequencies with three different chirp durations Plain and LFM pulse pairs Two LFM pulses define a pulse pair Peak power kW 120 0.3105 0.5 0.07 0.05-0.1 170 50 Pulse widths μs 0.25 1.2; 30; 96 0.65 and 25 pulse-pair 0.04 and 4.0 (compressed to 0.040) 0.150 to 40 0.040 and 4.0 (compressed to 0.040) 10.0 and 0.15 at 7 500 (both compressed to 0.040); Pulse repetition rate pps 6 000 12 800; 3 2006 300; 2 120 3 470; 3 500; 5 200; 5 300 4 096 each, 8192 total 1000 – 5000 16 384 each System maximum average 15 000 Max. duty cycle 0.0015 0.203 0.11 0.017 0.2 0.07 0.15
R-REP-RS.2313-2014-MSW-E.docx