Nomenclature

Terms that have specific meanings in the obsinfo universe

instrumentation

A complete instrumentation (such as an OBS)

instrument

One channel of an instrumentation, minus the orientation information

instrument_component

One component of an instrument: a datalogger, sensor, or pre-amplifier

element

Anything in the information file written as a key in a key: value pair

key

Must be a string

experiment

the highest level of the experiment-campaign-expedition sequence, it represents all data collected at one region (something like an FDSN network)

campaign

A data collection campaign, which may consist of one or more expeditions. Each campaign generally represents one group of data that will be sent to a data center

expedition

One data-collection mission, generally a ship leg for OBS deployments