A drift meter, also drift indicator and drift sight, is an optical device used to improve dead reckoning for aircraft navigation by measuring wind effect...

An ion drift meter is a device used to measure the velocity of individual ions in the area of a spacecraft. This information can then be used to calculate...

field. The drift speed of electrons is generally in the order of 10-3 meters per second whereas the thermal speed is on the order of 106 meters per second...

Heading Reference Systems Celestial navigation Client-side prediction Drift meter Extrapolation Honda Point disaster Indoor positioning system Robotic...

measure the depth of the water and to pick up samples from the bottom. Drift meter optically measures the effects of wind on an aircraft in flight. These...

includes a Retarding Potential Analyzer (RPA), and Ion Drift meter (IDM), a scintillation meter, and a Langmuir probe. UTD SSIES Homepage Archived 2008-04-04...

An electricity meter, electric meter, electrical meter, energy meter, or kilowatt-hour meter is a device that measures the amount of electric energy consumed...

which is in the public domain. "Experiment: Retarding Potential Analyser/Drift Meter (RPA)". NASA. 28 October 2021. Retrieved 17 November 2021. This article...

satellite was inverted and the FPI measured galactic emissions. The Ion drift meter (IDM) measured the bulk motions of the ionospheric plasma perpendicular...

many tens of meters (yards) per day. This process is called "beach drift", but some workers regard it as simply part of "longshore drift" because of the...