QA.TXT: QUALITY ASSURANCE ANCILLARY DATA FILE 

This file contains quality assurance parameters for the survey image. 

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Data Take ID:                      124.00
Site Name:                         Siwa/Largeau, Sahara  Chad     
Site ID:                           GS7

Product Type:                                     Survey Image
Carrier Frequency (GHz):                          1.249
Polarization Channel:                             HH
Number of Q/A Intervals:                          3
Bit Error Rate, PRF-C (exp):                      0.0
Number of Flywheels:                              0
Turn-On Recv Only Noise Power (dBmW):             0.0
Turn-Off Recv Only Noise Power (dBmW):            0.0
Turn-On Ambiguity Resolution Probability:         0.00
Turn-Off Ambiguity Resolution Probability:        0.00
Survey fd Error (Hz):                             0.0

Q/A Interval Data:

Interval  1

  Mean of Raw Data Histogram:                     127.8
  Standard Deviation of Raw Data Histogram:       10.6
  % Over Saturation in Raw Data Histogram:        0.0
  % Under Saturation in Raw Data Histogram:       0.0
  Range Offset in Frequency Domain (MHz):         10.73
  Signal-to-Noise Ratio (dB):                     100.00
  Spurious Peak Count:                            1
  DWP for Echo Monitor Plot (micro sec):          0.00
  Caltone Gain (dBmW):                            -66.11
  Caltone Phase (deg):                            -56.80
  Mean of Image Histogram:                        
                                  Near Range:     107.64
                                Center Swath:     72.62
                                   Far Range:     37.96
  Standard Deviation of Image Histogram:          
                                  Near Range:     63.58
                                Center Swath:     34.25
                                   Far Range:     29.65
  % Over Saturation in Image Histogram:           
                                  Near Range:     0.03
                                Center Swath:     0.00
                                   Far Range:     0.00
  % Under Saturation in Image Histogram:          
                                  Near Range:     0.00
                                Center Swath:     0.00
                                   Far Range:     0.00

Interval  2

  Mean of Raw Data Histogram:                     127.8
  Standard Deviation of Raw Data Histogram:       7.5
  % Over Saturation in Raw Data Histogram:        0.0
  % Under Saturation in Raw Data Histogram:       0.0
  Range Offset in Frequency Domain (MHz):         9.25
  Signal-to-Noise Ratio (dB):                     100.00
  Spurious Peak Count:                            3
  DWP for Echo Monitor Plot (micro sec):          0.00
  Caltone Gain (dBmW):                            -65.91
  Caltone Phase (deg):                            -59.51
  Mean of Image Histogram:                        
                                  Near Range:     93.40
                                Center Swath:     69.84
                                   Far Range:     34.86
  Standard Deviation of Image Histogram:          
                                  Near Range:     61.64
                                Center Swath:     34.98
                                   Far Range:     27.19
  % Over Saturation in Image Histogram:           
                                  Near Range:     0.03
                                Center Swath:     0.00
                                   Far Range:     0.00
  % Under Saturation in Image Histogram:          
                                  Near Range:     0.12
                                Center Swath:     0.00
                                   Far Range:     0.01

Interval  3

  Mean of Raw Data Histogram:                     127.8
  Standard Deviation of Raw Data Histogram:       10.7
  % Over Saturation in Raw Data Histogram:        0.0
  % Under Saturation in Raw Data Histogram:       0.0
  Range Offset in Frequency Domain (MHz):         9.79
  Signal-to-Noise Ratio (dB):                     100.00
  Spurious Peak Count:                            5
  DWP for Echo Monitor Plot (micro sec):          0.00
  Caltone Gain (dBmW):                            -66.12
  Caltone Phase (deg):                            -57.74
  Mean of Image Histogram:                        
                                  Near Range:     64.81
                                Center Swath:     43.54
                                   Far Range:     26.50
  Standard Deviation of Image Histogram:          
                                  Near Range:     37.02
                                Center Swath:     18.50
                                   Far Range:     14.84
  % Over Saturation in Image Histogram:           
                                  Near Range:     0.00
                                Center Swath:     0.00
                                   Far Range:     0.00
  % Under Saturation in Image Histogram:          
                                  Near Range:     0.12
                                Center Swath:     0.00
                                   Far Range:     0.01