| Webster's Online Dictionary |
| Expressions | Domain | Definition | |
| Ephemeral data | Post & Telecom | The data pertaining to the location of celestial bodies and artificial satellites at specific intervals. Source: European Union. (references) | |
| Ephemeral data | Space | Data that: (1) help to characterize the conditions under which the remote sensing data were collected; (2) may be used to calibrate the sensor data prior to analysis; (3) include such information as the positioning and spectral stability of sensors, sun angle, platform attitude, etc. (references) | |
Source: compiled by the editor from various references; see credits. | Top | ||
