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A radar beacon (racon) is a device that returns a distinctive signal when triggered by a radar, providing range, bearing and identification information. Learn about the principle of operation, the characteristics, the applications and the proposal for enhanced RACON.
This is a list of time zones from release 2024a of the tz database, which partitions the world into regions with the same local clocks. The list shows the canonical, alternative, and standard names, the UTC offsets, and the time zone abbreviations for each zone.
Find out the telephone prefixes for reaching telephone subscribers in foreign countries or areas via international telecommunication networks. The list is organized by world zones and includes the ITU-T standards and the exceptions for political and historical alignment.
Find out the current and future area codes for different regions of New York state, including New York City, Long Island, and upstate New York. See the map, the year of assignment, and the overlays for each area code.
Learn about the standard codes for the names of countries and their subdivisions, maintained by the International Organization for Standardization (ISO). Find the ISO 3166-1 alpha-2, alpha-3 and numeric codes, the ISO 3166-2 subdivision codes and the Internet country code top-level domains for each of the 249 countries.
ISO 4217 is a standard that defines alpha and numeric codes for currencies and funds. It also provides information about the relationships between currencies and their minor units. See the list of active and historic codes, and the history and types of codes.
The International Electrotechnical Commission (IEC) is an international standards organization that prepares and publishes standards for electrical, electronic and related technologies. This web page lists the titles of IEC standards by number, with brief descriptions and links to more information.
Error correction code (ECC) is a technique to control errors in data transmission over noisy channels. It adds redundancy to the message using an algorithm that ...