Hurricane Watch: An announcement that sustained winds of 64 knots (74 mph or 119 km/hr) or higher are possible within the specified area in association with a tropical, subtropical, or post-tropical cyclone.
PSTN Definition The public switched telephone network (PSTN) is the worldwide collection of interconnected public telephone networks that was designed primarily for voice traffic. The PSTN is a circuit-switched network. That is, a dedicated circuit (also referred to as a channel) is established for the duration of a transmission, such as a telephone call.
Time Zone Abbreviation: Overview of The Time Zone. The Pacific Standard time zone (PST) is eight hours behind Coordinated Universal Time (UTC). It is a zone that encompasses part of the United States, Canada, and Mexico with participants that follow a separate time during summer months known as Pacific Daylight Time (PDT).