Meaning of UTC in English

Coordinated Universal Time (UTC), as kept by the "i" laboratory, where i is any laboratory cooperating in the determination of UTC. Note: In the United States, the official UTC is kept by the U.S. Naval Observatory and is referred to as UTC (USNO).

Telecommunication standard terms English vocab.      Английский словарь стандартных телекоммуникационных терминов.