QA.TXT: QUALITY ASSURANCE ANCILLARY DATA FILE 

This file contains quality assurance parameters for the survey image. 

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Data Take ID:                      39.90
Site Name:                         Weddell Sea                    
Site ID:                           N59

Product Type:                                     Survey Image
Carrier Frequency (GHz):                          1.249
Polarization Channel:                             VV
Number of Q/A Intervals:                          5
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:                     127.5
  Standard Deviation of Raw Data Histogram:       19.7
  % Over Saturation in Raw Data Histogram:        0.0
  % Under Saturation in Raw Data Histogram:       0.0
  Range Offset in Frequency Domain (MHz):         8.61
  Signal-to-Noise Ratio (dB):                     3.82
  Spurious Peak Count:                            0
  DWP for Echo Monitor Plot (micro sec):          0.00
  Caltone Gain (dBmW):                            -72.53
  Caltone Phase (deg):                            145.69
  Mean of Image Histogram:                        
                                  Near Range:     103.23
                                Center Swath:     103.98
                                   Far Range:     81.48
  Standard Deviation of Image Histogram:          
                                  Near Range:     50.66
                                Center Swath:     34.30
                                   Far Range:     29.07
  % Over Saturation in Image Histogram:           
                                  Near Range:     0.00
                                Center Swath:     0.00
                                   Far Range:     0.00
  % Under Saturation in Image Histogram:          
                                  Near Range:     0.00
                                Center Swath:     0.00
                                   Far Range:     0.00

Interval  2

  Mean of Raw Data Histogram:                     127.5
  Standard Deviation of Raw Data Histogram:       13.1
  % 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):                     -4.41
  Spurious Peak Count:                            1
  DWP for Echo Monitor Plot (micro sec):          0.00
  Caltone Gain (dBmW):                            -71.39
  Caltone Phase (deg):                            139.77
  Mean of Image Histogram:                        
                                  Near Range:     98.27
                                Center Swath:     109.61
                                   Far Range:     102.11
  Standard Deviation of Image Histogram:          
                                  Near Range:     44.94
                                Center Swath:     31.17
                                   Far Range:     31.09
  % Over Saturation in Image Histogram:           
                                  Near Range:     0.00
                                Center Swath:     0.00
                                   Far Range:     0.00
  % Under Saturation in Image Histogram:          
                                  Near Range:     0.10
                                Center Swath:     0.00
                                   Far Range:     0.01

Interval  3

  Mean of Raw Data Histogram:                     127.5
  Standard Deviation of Raw Data Histogram:       9.2
  % 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):                            -73.17
  Caltone Phase (deg):                            133.62
  Mean of Image Histogram:                        
                                  Near Range:     83.44
                                Center Swath:     97.61
                                   Far Range:     92.70
  Standard Deviation of Image Histogram:          
                                  Near Range:     35.46
                                Center Swath:     24.48
                                   Far Range:     24.74
  % Over Saturation in Image Histogram:           
                                  Near Range:     0.00
                                Center Swath:     0.00
                                   Far Range:     0.00
  % Under Saturation in Image Histogram:          
                                  Near Range:     0.10
                                Center Swath:     0.00
                                   Far Range:     0.01

Interval  4

  Mean of Raw Data Histogram:                     127.5
  Standard Deviation of Raw Data Histogram:       6.6
  % 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):                            -72.49
  Caltone Phase (deg):                            139.07
  Mean of Image Histogram:                        
                                  Near Range:     86.03
                                Center Swath:     98.93
                                   Far Range:     97.59
  Standard Deviation of Image Histogram:          
                                  Near Range:     37.47
                                Center Swath:     26.47
                                   Far Range:     27.43
  % Over Saturation in Image Histogram:           
                                  Near Range:     0.00
                                Center Swath:     0.00
                                   Far Range:     0.00
  % Under Saturation in Image Histogram:          
                                  Near Range:     0.10
                                Center Swath:     0.00
                                   Far Range:     0.01

Interval  5

  Mean of Raw Data Histogram:                     127.6
  Standard Deviation of Raw Data Histogram:       6.4
  % 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):                            -72.33
  Caltone Phase (deg):                            136.53
  Mean of Image Histogram:                        
                                  Near Range:     95.61
                                Center Swath:     114.46
                                   Far Range:     116.02
  Standard Deviation of Image Histogram:          
                                  Near Range:     43.69
                                Center Swath:     34.67
                                   Far Range:     35.59
  % Over Saturation in Image Histogram:           
                                  Near Range:     0.00
                                Center Swath:     0.00
                                   Far Range:     0.00
  % Under Saturation in Image Histogram:          
                                  Near Range:     0.10
                                Center Swath:     0.00
                                   Far Range:     0.01