Minimum signal to noise ratio (Eb/No) 
for verious speeds at a BER = 10E-5.

  Speed   SNR(dB)
  11      6.99
   5.5    5.98
   2      1.59
   1     -2.92

  54     24.6
  48     24.1
  36     18.8
  24     17.0
  18     10.8
  12      9.0
   9      7.8
   6      6.0