Altimeters are critical navigation instruments for aircraft and are also used in various other use cases where altitude is a ...

Equipment in these categories ranges from simple barometric altimeters to sophisticated radar systems, autopilots, and bombsights. The majority of the National Air and Space Museum instrument and ...

GALA is a 'laser altimeter' – an instrument that measures the heights and depths of a planetary landscape via the transit time of laser pulses. The GAnymede Laser Altimeter (GALA) for ESA's JUICE ...

The Cryosat mission has been measuring height changes on the White Continent since 2010 using a radar altimeter instrument. And now its entire data archive has been reprocessed in a way that gives ...