Mark 63 Gun Fire Control System
AN/SPG-34 aboard HMCS Haida | |
| Country of origin | United States |
|---|---|
| Manufacturer | Northrop Grumman/Westinghouse |
| Introduced | 1953 |
| Type | Radar tracker |
| Frequency | X band |
| PRF | 1,800/180 pps |
| Beamwidth | 2.4 |
| Pulsewidth | 0.3 μs |
| Range | 23 km (12.42 nmi) |
| Precision | 14 m (15 yd) |
| Power | 25-50 kW |
Mark 63 Gun Fire Control System (Mk.63 GFCS) is a gun fire-control system made up of AN/SPG-34 radar tracker and the Mark 29 gun sight. They were usually equipped for the control of twin QF 4-inch naval gun Mk XVI and Mk.33 twin 3"/50 cal guns.