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  2. Radar beacon - Wikipedia

    en.wikipedia.org/wiki/Radar_beacon

    Radar beacon. Racon signal as seen on a radar screen. This beacon receives using sidelobe suppression and transmits the letter "Q" in Morse code near Boston Harbor (Nahant) 17 January 1985. Radar beacon (short: racon) is – according to article 1.103 of the International Telecommunication Union's (ITU) ITU Radio Regulations (RR) [1 ...

  3. IATA delay codes - Wikipedia

    en.wikipedia.org/wiki/IATA_delay_codes

    In the AHM 780 specification, the two-character numeric-only codes are sent in the DL and EDL elements along with the time assigned to each code (e.g. DL31/62/0005/0015 showing reason 31 for 5 mins and reason 62 for 15 minutes), and the three-character alphanumeric codes are sent in the DLA element (e.g. DLA31C/62A// showing subreason C for ...

  4. Directed attention fatigue - Wikipedia

    en.wikipedia.org/wiki/Directed_attention_fatigue

    Directed attention fatigue ( DAF) is a neuro-psychological phenomenon that results from overuse of the brain's inhibitory attention mechanisms, which handle incoming distractions while maintaining focus on a specific task. The greatest threat to a given focus of attention is competition from other stimuli that can cause a shift in focus.

  5. ANSI device numbers - Wikipedia

    en.wikipedia.org/wiki/ANSI_device_numbers

    22 – Equalizer Circuit Breaker. 23 – Temperature control device, Heater. 24 – Volts per Hertz Relay. 25 – Synchronizing or Synchronism-check Device. 26 – Apparatus Thermal Device, Temperature Switch. 27 – Undervoltage Relay. 27P - Phase Undervoltage. 27S - DC Undervoltage Relay. 27TN - Third Harmonic Neutral Undervoltage.

  6. List of country calling codes - Wikipedia

    en.wikipedia.org/wiki/List_of_country_calling_codes

    357 – Cyprus (including Akrotiri and Dhekelia) 358 – Finland. 358 (18) – Åland. 359 – Bulgaria. 36 – Hungary (formerly assigned to Turkey, now at 90) 37 – formerly assigned to East Germany until its reunification with West Germany, now part of 49 Germany.

  7. List of file signatures - Wikipedia

    en.wikipedia.org/wiki/List_of_file_signatures

    List of file signatures. This is a list of file signatures, data used to identify or verify the content of a file. Such signatures are also known as magic numbers or Magic Bytes. Many file formats are not intended to be read as text. If such a file is accidentally viewed as a text file, its contents will be unintelligible.

  8. List of mental disorders in the DSM-IV and DSM-IV-TR ...

    en.wikipedia.org/wiki/List_of_mental_disorders...

    This is an alphabetically sorted list of all mental disorders in the DSM-IV and DSM-IV-TR, along with their ICD-9-CM codes, where applicable. The DSM-IV-TR is a text revision of the DSM-IV. While no new disorders were added in this version, 11 subtypes were added and 8 were removed. This list features both the added and removed subtypes.

  9. List of ISO standards - Wikipedia

    en.wikipedia.org/wiki/List_of_ISO_standards

    ISO 1 – ISO 1999. ISO 2000 – ISO 2999. ISO 3000 – ISO 4999. ISO 5000 – ISO 7999. ISO 8000 – ISO 9999. ISO 10000 – ISO 11999. ISO 12000 – ISO 13999. ISO 14000 – ISO 15999. ISO 16000 – ISO 17999.

  10. List of aircraft type designators - Wikipedia

    en.wikipedia.org/wiki/List_of_aircraft_type...

    IATA codes are published in Appendix A of IATA's annual Standard Schedules Information Manual (SSIM) and are used for airline timetables and computer reservation systems. IATA designators are used to distinguish between aircraft types and variants that have differences from an airline commercial perspective (size, role, interior configuration ...

  11. 2023–24 ISIR Guide (Updated Dec. 19, 2023) | Knowledge Center

    fsapartners.ed.gov/knowledge-center/library...

    If you need access to this document before the accessible version is available, please contact the Information Technology Accessibility Program Help Desk at ITAPSupport@ed.gov to help facilitate. 2023–2024 ISIR Guide in PDF Format, 119 Pages, 2MB. Last Modified: 12/19/2023.