# Channel Table file

Channel table file contains important information about channels.

Below is an example of one channel in channel table file:

    6033 1 0 N.AAKH U 6 27 175.60 m/s 1.00 0.70 0 1.023e-07 36.3726 137.9203 483 0 0 Azuminoakashina

- \[1\]: Hexadecimal channel number (2-byte)
- \[2\]: Recording flag
- \[3\]: Delay time on a circuit (ms)
- \[4\]: Station code
- \[5\]: Motion component code
- \[6\]: Reduction ratio of monitoring waveform (expressed as the integer exponent of a power of 2)
- \[7\]: Quantization bit rate in A/D conversion
- \[8\]: Sensor sensitivity (V/unit of input, where unit of input is provided in column \[9\])
- \[9\]: Unit of input. Use MKS system: "m" for displacement, "m/s" for velocity, and "m/s/s" for acceleration.
- \[10\]: Natural period of the seismometer (s)
- \[11\]: Damping constant of the sensor
- \[12\]: Amplification factor applied to sensor output prior to A/D conversion (dB)
- \[13\]: Quantization width in A/D conversion (V), a.k.a. LSB value
- \[14\]: Station latitude (degrees). A positive value indicates North latitude.
- \[15\]: Station longitude (degrees). A positive value indicates East longitude.
- \[16\]: Station height (m)
- \[17\]: Station correction for P-wave (s)
- \[18\]: Station correction for S-wave (s)
- \[19\]: Station name (Optional)