WHY Channel Data

Channel Data:
All three components sampled at 15,000 samples/sec; data decimated to 40
samples/sec using 3 cascaded low-pass FIR filters with a final -3dB point
at 18.3 Hz and -140dB at > 20 Hz.

Channel Sampling Rate           Sensitivities
BHZ     40 sps continuous       5.02916e+09 C/m/s
BHN     40 sps continuous       5.00717e+09 C/m/s
BHE     40 sps continuous       5.03319e+09 C/m/s