cprobe canon.k12.co.us 20 times
trial# available_bw
0	 50280.421875
1	 52363.195312
2	 49812.707031
3	 49631.406250
4	 51008.347656
5	 49328.175781
6	 47466.109375
7	 45839.000000
8	 49072.441406
9	 48355.011719
10	 50686.882812
11	 51516.765625
12	 49330.210938
13	 48432.773438
14	 48870.718750
15	 45706.402344
16	 49745.417969
17	 50354.113281
18	 50993.472656
19	 50810.917969
valid trial#=20, average available bw=49480.22460935