Phantom no: 542, model 116
Date: 2000 October 1. Time: 10:22
Slice thickness: 3.01 cm +/-0.02cm
Temperature: 23.7 degree Celsius +/-0.1C
Sound speed measurement
Sampling frequency: 1000.00 Ms/sec +/-0.01%
frequency, time differens, sound speed,  +/- 2*SD
 MHz      microseconds       m/sec       m/sec
 3.0,    -0.590,            1538.1,       0.4
 4.0,    -0.600,            1538.9,       0.4
 5.0,    -0.600,            1538.9,       0.4
 6.0,    -0.610,            1539.7,       0.4
 7.0,    -0.610,            1539.7,       0.4
 8.0,    -0.740,            1550.0,       0.5
 9.0,    -0.620,            1540.5,       0.4
10.0,    -0.620,            1540.5,       0.4
Mean velocity:   1539.5 m/sec
Calculated velocity at 23C : 1538 m/sec
Measurement of attenuation:
Sampling frequency: 100.00 Ms/sec +/-0.01%
Density:         1055.0 Kg/m3
Impedance:       1.624 * 10E6 Kg/m2*sec
Reflection loss: -0.02 dB
trans.frq.,energy,rec.frq.,energy,transm.loss,att/dist,att/dist*frq,+/-2*SD
   MHz        dB     MHz       dB      dB     dB/cm    dB/cm*MHz  dB/cm*MHz
  2.98,    64.50,   2.98,   61.10,   3.40     1.124,    0.377,     0.030
  4.00,    65.98,   4.00,   61.93,   4.05     1.339,    0.334,     0.022
  4.98,    70.28,   4.98,   65.70,   4.58     1.516,    0.304,     0.018
  6.01,    71.00,   6.01,   65.80,   5.20     1.722,    0.287,     0.015
  6.98,    72.34,   6.98,   66.63,   5.71     1.893,    0.271,     0.013
  8.01,    73.39,   8.01,   67.17,   6.22     2.062,    0.258,     0.011
  8.98,    74.03,   8.98,   67.15,   6.89     2.284,    0.254,     0.010
 10.01,    73.01,  10.01,   65.11,   7.90     2.621,    0.262,     0.009
 10.99,    73.17,  10.99,   64.69,   8.48     2.814,    0.256,     0.008
 12.01,    69.67,  12.01,   60.38,   9.29     3.081,    0.257,     0.008
 12.99,    70.26,  12.99,   60.55,   9.71     3.222,    0.248,     0.007
 14.01,    68.59,  14.01,   58.48,  10.11     3.353,    0.239,     0.007