When.com Web Search

Search results

  1. Results From The WOW.Com Content Network
  2. ITU Region - Wikipedia

    en.wikipedia.org/wiki/ITU_region

    The International Telecommunication Union (ITU), in its International Radio Regulations, divides the world into three ITU regions for the purposes of managing the global radio spectrum. Each region has its own set of frequency allocations , the main reason for defining the regions.

  3. List of ITU letter codes - Wikipedia

    en.wikipedia.org/wiki/List_of_ITU_letter_codes

    Region 1 (RR 5.3) XR2 Region 2 (RR 5.4) XR3 Region 3 (RR 5.5) XRY Antarctic Region (RR AP 26/5.2) XSC ex SCG Serbia and Montenegro: XSD ex Republic of the Sudan before 14 July 2011 → SDN + SSD XSP Spratly Islands: XSU ex URS Soviet Union → RUS + … XUN United Nations: XWB West Bank: XWM World Meteorological Organization: XYU

  4. International Telecommunication Union - Wikipedia

    en.wikipedia.org/wiki/International...

    ITU Member States, as of August 2019 The five administrative regions of the ITU. Membership of ITU is open to all member states of the United Nations. There are currently 194 member states of the ITU, including all UN member states. The most recent member state to join the ITU is Republic of Palau, which became a member on 19 September 2024. [57]

  5. Member states of the International Telecommunication Union

    en.wikipedia.org/wiki/Member_states_of_the...

    The International Telecommunication Union member states are the 194 sovereign states that are members of the International Telecommunication Union (ITU) and have equal representation at its supreme decision-making body, the ITU Plenipotentiary Conference. The ITU is the world's oldest intergovernmental organization, having been founded in 1865.

  6. ITU prefix - Wikipedia

    en.wikipedia.org/wiki/ITU_prefix

    While ITU prefix rules are adhered to in the context of international broadcasting, including amateur radio, it is rarer for countries to assign broadcast call signs to conventional AM, FM, and television stations with purely domestic reach; the United States, Canada, Mexico, Japan, South Korea, the Philippines, and Argentina are among those ...

  7. Frequency allocation - Wikipedia

    en.wikipedia.org/wiki/Frequency_allocation

    ITU-terms pertaining to frequency regulation; Frequency distribution to: ITU languages: ITU RR (article) French English Spanish: Arabic: Chinese: Russian Radiocommunication services attribution (attribuer) allocation (to allocate) atribución (atribuir) 划分 распределение (распределять) 1.16 Regions or countries ...

  8. Amateur radio frequency allocations - Wikipedia

    en.wikipedia.org/wiki/Amateur_radio_frequency...

    ITU Region 1 corresponds to Europe, Russia, Africa and the Middle East. For ITU region 1, Radio Society of Great Britain's band plan will be more definitive (click on the buttons at the bottom of the page). Low Frequency (LF) (30 to 300 kHz) 2200 metres (135.7 to 137.8 kHz) Medium Frequency (MF) (0.3 to 3 MHz) 630 metres (472 to 479 kHz)

  9. List of telephone country codes - Wikipedia

    en.wikipedia.org/wiki/ITU-T_country_calling_code

    Country codes are defined by the International Telecommunication Union (ITU) in ITU-T standards E.123 and E.164. The prefixes enable international direct dialing (IDD). Country codes constitute the international telephone numbering plan. They are used only when dialing a telephone number in a country or world region other than the caller's.