Orientation

method

method

Description

Example

Required: True

Units: None

Type: string

Style: controlled vocabulary

Default: None

method for orienting station layout

compass

reference_frame

reference_frame

Description

Example

Required: True

Units: None

Type: string

Style: controlled vocabulary

Default: geographic

“Reference frame for station layout. There are only 2 options geographic and geomagnetic. Both assume a right-handed coordinate system with North=0 E=90 and vertical positive downward”

geomagnetic

angle_to_geographic_north

angle_to_geographic_north

Description

Example

Required: False

Units: degrees

Type: float

Style: number

Default: None

“Angle to rotate the data to align with geographic north. If this number is 0 then it is assumed the data are aligned with geographic north in a right handed coordinate system.”

geomagnetic

value

value

Description

Example

Required: False

Units: None

Type: string

Style: controlled vocabulary

Default: None

“Channel orientation relative to each other”

orthogonal