GPS IIF/III (Global Positioning System)
Design Features
- Extended vehicle design life -- 15 years
- Modular design for enhanced producibility
- Use of proven algorithms & RF components
- Medium Launch Vehicle/Evolved Expendable Launch Vehicle compatibility
- L-band power levels same as GPS Block IIA
- 3-m URE accuracy
- Options for L5 civil signal
- Crosslink commanding
- Increased autonomy for reduced ground contacts
- Rapid on-orbit reprogrammability