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  2. List of Unicode characters - Wikipedia

    en.wikipedia.org/wiki/List_of_Unicode_characters

    A numeric character reference refers to a character by its Universal Character Set/Unicode code point, and a character entity reference refers to a character by a predefined name. A numeric character reference uses the format &#nnnn; or &#xhhhh; where nnnn is the code point in decimal form, and hhhh is the code point in hexadecimal form.

  3. Emergency service response codes - Wikipedia

    en.wikipedia.org/wiki/Emergency_service_response...

    Code 1: Respond to the call without lights or sirens. Some agencies may use the terms "upgrade" and "downgrade" to denote an increase or decrease in priority. For example, if a police unit is conducting a Code 1 response to an argument, and the dispatcher reports that the argument has escalated to a fight, the unit may report an "upgrade" to a ...

  4. Ten-code - Wikipedia

    en.wikipedia.org/wiki/Ten-code

    Phrase Word Brevity Code Phrase word English meaning APCO Ten-code Use Caution Caution: dangerous condition is suspected to exist. 10-0 Unreadable Radio signal is too weak to receive. 10-1 Out of Service Unit, vehicle or person is not working 10-7 In Service Unit, vehicle or person is working but not necessarily "available" or "on radio." 10-8

  5. Homeland Security Advisory System - Wikipedia

    en.wikipedia.org/wiki/Homeland_Security_Advisory...

    Homeland Security Advisory System color chart. In the United States, the Homeland Security Advisory System (HSAS) was a color-coded terrorism threat advisory scale created in March 2002 under the Bush administration in response to the September 11 attacks. The different levels triggered specific actions by federal agencies and state and local ...

  6. NATO phonetic alphabet - Wikipedia

    en.wikipedia.org/wiki/NATO_phonetic_alphabet

    This is an accepted version of this page This is the latest accepted revision, reviewed on 15 January 2025. Letter names for unambiguous communication Not to be confused with International Phonetic Alphabet. Alphabetic code words A lfa N ovember B ravo O scar C harlie P apa D elta Q uebec E cho R omeo F oxtrot S ierra G olf T ango H otel U niform I ndia V ictor J uliett W hiskey K ilo X ray L ...

  7. 911 (emergency telephone number) - Wikipedia

    en.wikipedia.org/wiki/911_(emergency_telephone...

    The first use of a national emergency telephone number began in the United Kingdom in 1937 using the number 999, which continues to this day. [6] In the United States, the first 911 service was established by the Alabama Telephone Company and the first call was made in Haleyville, Alabama, in 1968 by Alabama Speaker of the House Rankin Fite and answered by U.S. Representative Tom Bevill.

  8. 11/22 - 12/21. capricorn. 12/22 - 1/19. aquarius. 1/20 - 2/18. pisces. ... 1/20 - 2/18. pisces. 2/19 - 3/20. Horoscopes, where you can find insightful and accurate predictions for all twelve ...

  9. 102 Minutes - Wikipedia

    en.wikipedia.org/wiki/102_Minutes

    With the aid of eyewitness testimony during the September 11 attacks, it covers firsthand accounts about the struggle to survive and escape from the twin towers of the World Trade Center. The title is a reference to the 102 minutes which elapsed between the first impact of American Airlines Flight 11 at 8:46 am to the collapse of the North ...