rate 1/2 constraint len 13, bpsk, ngood, nbad 10^6 trials
0.00 43968 30
0.50 111824 33
1.00 238157 21
1.50 425263 20
2.00 634824 14
2.50 812206 2
3.00 924507 2
3.50 975836 0
4.00 993832 0
4.50 998695 0
5.00 999771 0