The Far-Infrared Spectroscopy of the Troposphere (FIRST) Instrument: New Technology for Measuring Earth's Energy Balance and Climate Change” - Earthzine

Earth Observation Imaging Spectroscopy for Terrestrial Systems: An Overview of Its History, Techniques, and Applications of Its Missions

FIRST (Far-Infrared Spectroscopy of the Troposphere) - eoPortal

Aerospace Sensors: How Solar Simulators Enhance Sensor Testing

Review: far-infrared instrumentation and technological development for the next decade

Atmosphere, Free Full-Text

PDF) First light from the Far-Infrared Spectroscopy of the Troposphere ( FIRST) instrument

AMT - Relations - Exploring Earth's atmosphere with radio occultation: contributions to weather, climate and space weather

FIRST (Far-Infrared Spectroscopy of the Troposphere) - eoPortal

PDF) The Far-Infrared Spectroscopy of the Troposphere (FIRST) project