3. Camp Sentinel II Radar System [4] -Installed outside US Army Camp in Vietnam in 1968. -Antenna Dimensions: 3.5 m diameter x 1 m tall antenna. -2 kW tube transmitter, 2 km range. - Weight: 8,000 pounds. M-FOPEN Radar System [3] -Frequency: 140 MHz-Antenna Gain: 9 dBi -Transmit Power: 50 W -Antenna Beamwidth: 45 deg -Pulse Width: 100 ns -Polarization: Horizontal -PRF: 15 kHz -Detection: Kalmus Filter -Receiver: Homodyne for Doppler. Source: [5] Source: [4]

4. Altitude: 2.5 km Velocity: 90 m/s Frequency: 30.25 and 60.50 MHz Bandwidth: 5 MHz Antenna: folded dual dipole w/ coincident phase centers Polarization: horizontal Average Power: 5-10 W Pulse Width: 3.0 µsec PRF: 750 Hz Range Resolution: 30 m Cross-Range Resolution: 30 m Swath Width: 3.2 km Slant Range: 6.5 km Flown on C-121 Test Aircraft Real time strip-map processor Source: [6]

5. Vehicles Under Foliage Source: [3]

7. Range Resolution: Cross - Range Resolution:

8. Altitude: 7.5 km Velocity: 135 m/s Frequency: 215 – 730 MHz BW: 515 MHz Polarization: HH, VV, HV Waveform: Notched LFM Peak Power: 1 kW Pulse Width: 26.3 µs PRF: 500-1200 Hz Range Resolution: 33 cm Cross-Range Resolution: 66 cm Slant Range: 6.24 km Swath Width: 929 m Platform: Navy P-3C aircraft Antenna: 1 m 2 Developed by Naval Air Development Center Flew from 1995 to 2000, collected data in NC, CA, MI Center Frequency: 470 MHz Integration Angle: 31.7 degrees Image formation: Range Migration Algorithm (RMA)

12. Source: [7]