Phantom no: 542, model 116

Date: 2000 October 1. Time: 10:22
Slice thickness: 3.01 cm +/-0.02cm
Temperature: 23.7 degree Celsius +/-0.1øC

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 23°C : 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