1. Application of GPS in Field Artillery
Bradley Cimpher

2. Overview Brief History of Artillery GPS Guided Munitions MGRS and DAGR
AFCS
Process of Firing

3. History Introduction of Siege in 13th Century
14th Century- Bombard and Mortar
15th Century- Bronze and Transportation

4. Flash forward to today. M777, M109 (155mm) and M119 (105mm)
Mobile, Accurate, Effective

5. GPS Guided Munitions M982 Excalibur Round $80,000
4 Satellites Required
Not dependent on weather
GPS Receiver- Galileo, Glonass, etc.
Auto correction in flight
Vulnerable to jamming
First operational use in Iraq of 2007

6. DAGR and MGRS Defense Advanced GPS Receiver
Can decrypt Y-code
Handheld
Positioning of firing units
Military Grid Reference System
Used by NATO forces
Derived from UTM and UPS grid system
Used for the entire earth

7. AFCS- Automatic Fire Control System
Displays position location (easting, northing, and altitude) and directional data (azimuth and elevation).
Accepts fire missions
Orients tube to deflection
and quadrant.

8. Process of Firing Receive Fire Mission Find Suitable Location
Verify Location and Site Data
Min/Max Quadrant (elevation), Left/Right Deflection (mils)
Firing Data Verified in Gun
Round is set with Fire Data (GPS Coordinates)
Execute Fire Mission

9. Summary Why use GPS? Proficient Accuracy Prevents collateral damage
Low cost
Increased survivability
Rejuvenated Field Artillery

10. Sources

11. Questions?