QA.TXT: QUALITY ASSURANCE ANCILLARY DATA FILE 

This file contains quality assurance parameters for the survey image. 

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Data Take ID:                      175.20
Site Name:                         London, England                
Site ID:                           T21

Product Type:                                     Survey Image
Carrier Frequency (GHz):                          1.237
Polarization Channel:                             VV
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:                     127.6
  Standard Deviation of Raw Data Histogram:       18.5
  % 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):                     6.09
  Spurious Peak Count:                            0
  DWP for Echo Monitor Plot (micro sec):          0.00
  Caltone Gain (dBmW):                            -105.90
  Caltone Phase (deg):                            -178.04
  Mean of Image Histogram:                        
                                  Near Range:     92.77
                                Center Swath:     105.87
                                   Far Range:     118.92
  Standard Deviation of Image Histogram:          
                                  Near Range:     48.17
                                Center Swath:     34.66
                                   Far Range:     37.89
  % 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:                     127.6
  Standard Deviation of Raw Data Histogram:       18.2
  % Over Saturation in Raw Data Histogram:        0.0
  % Under Saturation in Raw Data Histogram:       0.0
  Range Offset in Frequency Domain (MHz):         10.51
  Signal-to-Noise Ratio (dB):                     5.72
  Spurious Peak Count:                            41
  DWP for Echo Monitor Plot (micro sec):          0.00
  Caltone Gain (dBmW):                            -97.86
  Caltone Phase (deg):                            -158.77
  Mean of Image Histogram:                        
                                  Near Range:     90.76
                                Center Swath:     106.26
                                   Far Range:     121.55
  Standard Deviation of Image Histogram:          
                                  Near Range:     41.16
                                Center Swath:     24.31
                                   Far Range:     28.00
  % Over Saturation in Image Histogram:           
                                  Near Range:     0.00
                                Center Swath:     0.00
                                   Far Range:     0.00
  % Under Saturation in Image Histogram:          
                                  Near Range:     0.13
                                Center Swath:     0.00
                                   Far Range:     0.00

Interval  3

  Mean of Raw Data Histogram:                     127.3
  Standard Deviation of Raw Data Histogram:       65.4
  % Over Saturation in Raw Data Histogram:        0.1
  % Under Saturation in Raw Data Histogram:       0.1
  Range Offset in Frequency Domain (MHz):         11.97
  Signal-to-Noise Ratio (dB):                     18.29
  Spurious Peak Count:                            18
  DWP for Echo Monitor Plot (micro sec):          0.00
  Caltone Gain (dBmW):                            -87.18
  Caltone Phase (deg):                            -144.53
  Mean of Image Histogram:                        
                                  Near Range:     106.02
                                Center Swath:     120.96
                                   Far Range:     113.93
  Standard Deviation of Image Histogram:          
                                  Near Range:     58.70
                                Center Swath:     45.66
                                   Far Range:     47.45
  % Over Saturation in Image Histogram:           
                                  Near Range:     0.02
                                Center Swath:     0.02
                                   Far Range:     0.01
  % Under Saturation in Image Histogram:          
                                  Near Range:     0.13
                                Center Swath:     0.00
                                   Far Range:     0.00