ERT

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Definition
  1. Noun:
    • Earth-received time: The coordinated universal time (UTC) at which a signal or event transmitted from a spacecraft or other distant source is received on Earth.
Usage
  • Noun:
    • ERT is recorded for all mission-critical communications.
    • Scientists compared the ERT with the spacecraft's onboard clock time.
Examples
  • Noun:
    • The ERT for the signal's arrival was 14:30 UTC.
    • Mission logs must include the precise ERT of each data transmission.
Advanced Usage
  • "at ERT": At the specific Earth-received time.
    • The command will be executed at the ERT specified in the plan.
  • "ERT of [event]": The Earth-received time for a particular occurrence.
    • Analyzing the ERT of the probe's last transmission is crucial.
Variants and Related Words
  • SCET (Spacecraft Event Time): The time an event occurs according to the spacecraft's clock, often contrasted with ERT.
  • UTC (Coordinated Universal Time): The primary time standard to which ERT is referenced.
Synonyms
  • Earth reception time
  • Ground receipt time
Notes
  • ERT is a specialized acronym used primarily in space science, telecommunications, and satellite operations. It is a fixed, objective timestamp for when information reaches Earth-based tracking stations, distinct from the time the event actually occurred at the source.
Noun
  1. the coordinated universal time when an event is received on Earth

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