Header

latitude

latitude	Description	Example
Required: False Type: float | None Units: degrees	Latitude of the location.	12.324

longitude

longitude	Description	Example
Required: False Type: float | None Units: degrees	Longitude of the location.	12.324

elevation

elevation	Description	Example
Required: False Type: <class ‘float’> Units: meters	Elevation of the location.	1234.0

datum

datum	Description	Example
Required: False Type: str | int Units: None	Datum of the location values. Usually a well known datum like WGS84.	WGS 84

x

x	Description	Example
Required: False Type: <class ‘float’> Units: meters	relative distance to the center of the station	10.0

y

y	Description	Example
Required: False Type: <class ‘float’> Units: meters	relative distance to the center of the station	10.0

z

z	Description	Example
Required: False Type: <class ‘float’> Units: meters	relative elevation to the center of the station	10.0

title

title	Description	Example
Required: True Type: <class ‘str’> Units: None	title of file	BIRRP Version 5 basic mode output

station

station	Description	Example
Required: True Type: <class ‘str’> Units: None	station name	mt001

azimuth

azimuth	Description	Example
Required: True Type: <class ‘float’> Units: degrees	rotation of full impedance tensor	0

birrp_parameters.outputs

birrp_parameters.outputs	Description	Example
Required: True Type: <class ‘int’> Units: None	Number of output channels	2

birrp_parameters.inputs

birrp_parameters.inputs	Description	Example
Required: True Type: <class ‘int’> Units: None	Number of input channels	2

birrp_parameters.references

birrp_parameters.references	Description	Example
Required: True Type: <class ‘int’> Units: None	Number of reference channels	2

birrp_parameters.tbw

birrp_parameters.tbw	Description	Example
Required: True Type: <class ‘float’> Units: None	total bandwidth of window	2.0

birrp_parameters.deltat

birrp_parameters.deltat	Description	Example
Required: True Type: <class ‘float’> Units: None	sampling spacing, if negative sample rate.	1.0

birrp_parameters.nfft

birrp_parameters.nfft	Description	Example
Required: True Type: <class ‘float’> Units: None	length of time window.	8192

birrp_parameters.nsctinc

birrp_parameters.nsctinc	Description	Example
Required: True Type: <class ‘float’> Units: None	number by which the segment length is divided by to get next window.	2.0

birrp_parameters.nsctmax

birrp_parameters.nsctmax	Description	Example
Required: True Type: <class ‘float’> Units: None	maximum number of sections	2.0

birrp_parameters.nf1

birrp_parameters.nf1	Description	Example
Required: True Type: <class ‘int’> Units: None	index of first frequency	4

birrp_parameters.nfinc

birrp_parameters.nfinc	Description	Example
Required: True Type: <class ‘int’> Units: None	increment value of next frequency	2

birrp_parameters.nfsect

birrp_parameters.nfsect	Description	Example
Required: True Type: <class ‘int’> Units: None	total number of frequencies to process.	4

birrp_parameters.uin

birrp_parameters.uin	Description	Example
Required: True Type: <class ‘float’> Units: None	small leverage point minimum	0.00

birrp_parameters.ainlin

birrp_parameters.ainlin	Description	Example
Required: True Type: <class ‘float’> Units: None	bounded influence value	-999

birrp_parameters.ainuin

birrp_parameters.ainuin	Description	Example
Required: True Type: <class ‘float’> Units: None	large leverage point minimu	0.99

birrp_parameters.c2threshe

birrp_parameters.c2threshe	Description	Example
Required: True Type: <class ‘float’> Units: None	coherencey threshold for electric channels	0.35

birrp_parameters.nz

birrp_parameters.nz	Description	Example
Required: True Type: <class ‘int’> Units: None	Use threshold for hz channels	0

birrp_parameters.c2threshe1

birrp_parameters.c2threshe1	Description	Example
Required: True Type: <class ‘float’> Units: None	coherencey threshold for hz channels	0.35

birrp_parameters.npcs

birrp_parameters.npcs	Description	Example
Required: True Type: <class ‘int’> Units: None	number of data segments used	2

birrp_parameters.nar

birrp_parameters.nar	Description	Example
Required: True Type: <class ‘int’> Units: None	order of auto-regressive prewhitening filter.	5

birrp_parameters.imode

birrp_parameters.imode	Description	Example
Required: True Type: <class ‘int’> Units: None	input data file mode	0

birrp_parameters.jmode

birrp_parameters.jmode	Description	Example
Required: True Type: <class ‘int’> Units: None	input time mode	0

birrp_parameters.ncomp

birrp_parameters.ncomp	Description	Example
Required: True Type: <class ‘int’> Units: None	number of components	5

data_blocks

data_blocks	Description	Example
Required: True Type: list[mt_metadata.transfer_functions .io.jfiles.metadata.birrp_block.Bir Units: None	BIRRP data blocks	BirrpBlock(…)

angles

angles	Description	Example
Required: True Type: list[mt_metadata.transfer_functions .io.jfiles.metadata.birrp_angles.Bi Units: None	BIRRP angles	BirrpAngles(… )