ChannelResponse

name

name	Description	Example
Required: True Type: <class ‘str’> Units: None	Name of filter applied or to be applied. If more than one filter input as a comma separated list.	“lowpass_magnet ic”

comments.author

comments.author	Description	Example
Required: True Type: str | None Units: None	person who authored the comment	Pedantic

comments.time_stamp

comments.time_stamp	Description	Example
Required: True Type: float | int | numpy.datetime64 | pa ndas._libs.tslibs.timestamps.Timest Units: None	Date and time of in UTC of when comment was made.	2020-02- 01T09:23:45.453 670+00:00

comments.value

comments.value	Description	Example
Required: True Type: str | list | None Units: None	comment string	failure at midnight.

type

type	Description	Example
Required: True Type: <class ‘str’> Units: None	Type of filter, must be one of the available filters.	fap_table

units_in

units_in	Description	Example
Required: True Type: <class ‘str’> Units: None	Name of the input units to the filter. Should be all lowercase and separated with an underscore, use ‘per’ if units are divided and ‘-’ if units are multiplied.	count

units_out

units_out	Description	Example
Required: True Type: <class ‘str’> Units: None	Name of the output units. Should be all lowercase and separated with an underscore, use ‘per’ if units are divided and ‘-’ if units are multiplied.	millivolt

calibration_date

calibration_date	Description	Example
Required: False Type: mt_metadata.common.mttime.MTime | str | float | int | Units: None	Most recent date of filter calibration in ISO format of YYY-MM-DD.	2020-01-01

gain

gain	Description	Example
Required: True Type: <class ‘float’> Units: None	scalar gain of the filter across all frequencies, producted with any frequency depenendent terms	1.0

sequence_number

sequence_number	Description	Example
Required: True Type: <class ‘int’> Units: None	Sequence number of the filter in the processing chain.	1

normalization_frequency

normalization_frequency	Description	Example
Required: True Type: <class ‘float’> Units: None	Pass band frequency	100

filters_list

filters_list	Description	Example
Required: True Type: list[mt_metadata.timeseries.filters .pole_zero_filter.PoleZeroFilter | Units: None	List of filters applied to the channel.	[PoleZeroFilter , CoefficientFi lter]

frequencies

frequencies	Description	Example
Required: True Type: numpy.ndarray | list[float] Units: hertz	The frequencies at which a calibration of the filter were performed.	“[-0.0001., 0.0002, 0.0005, 0.001, 0.002, 0.005, 0.001, … 1, 2, 5, 10]”