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.
Pacific Standard Time. Offset: PST is 8 hours behind Greenwich Mean Time (GMT) and is used in North America. Countries: It is used in following countries: Canada, Mexico, Pitcairn, United States. Principal Cities: The largest city in the PST timezone is Los Angeles from USA with population about 3.793 million people.