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  2. Global Maritime Distress and Safety System - Wikipedia

    en.wikipedia.org/wiki/Global_Maritime_Distress...

    GMDSS sea areas serve two purposes: to describe areas where GMDSS services are available, and to define what radio equipment GMDSS ships must carry (carriage requirements). Prior to the GMDSS, the number and type of radio safety equipment ships had to carry depended upon its tonnage.

  3. Short Range Certificate - Wikipedia

    en.wikipedia.org/wiki/Short_Range_Certificate

    Short Range Certificate. The Short Range Certificate is an internationally valid certificate issued to marine radio station operators. It entitles the holder to participate in marine communications on leisure crafts using Marine VHF radio and DSC (Digital Selective Calling), while in the GMDSS A1 sea areas.

  4. Search and rescue transponder - Wikipedia

    en.wikipedia.org/wiki/Search_and_rescue_transponder

    A standard SART 9 GHz radar transponder, produced by Jotron, on board a Norwegian ferry. The unit is 251 mm high. A search and rescue transponder (SART) is a self-contained, waterproof transponder intended for emergency use at sea.

  5. Digital selective calling - Wikipedia

    en.wikipedia.org/wiki/Digital_Selective_Calling

    A Sailor VHF DSC unit. Digital selective calling (DSC) is a standard for transmitting predefined digital messages via the medium-frequency (MF), high-frequency (HF) and very-high-frequency (VHF) maritime radio systems.

  6. General radiotelephone operator license - Wikipedia

    en.wikipedia.org/wiki/General_radiotelephone...

    Hold or qualify for a GROL, GMDSS Radio Maintainer's License, First Class Radiotelegraph Operator's Certificate, or Second Class Radiotelegraph Operator's Certificate. Those last two licenses are no longer issued. The Radiotelegraph Operator's License (T), issued in May 2013, also can have added to it a ship radar endorsement.

  7. 100 Different Types of Diets - AOL

    www.aol.com/100-different-types-diets-213523549.html

    Adult nutrient requirements are different than infant requirements. Fad diet alert: You may lose weight if you can stick to this plan, but will likely regain it once you stop. Hollywood Cookie Diet

  8. White House officials bristle as the courts throttle parts of ...

    www.aol.com/white-house-officials-bristle-courts...

    Impeachment seems unlikely, with Republicans controlling both the House and that Senate and, so far, showing little appetite to defy Trump. Jailing a sitting president is a practical impossibility.

  9. Port of Tianjin governance, traffic management and law ...

    en.wikipedia.org/wiki/Port_of_Tianjin_governance...

    The MSA is responsible for the standard GMDSS implementation, and it (not the SARC) takes on the formal MRCC responsibilities for the Port. Tianjin Coastal Radio operates the DSC system, monitoring VHF Ch. 16 and MF 2182 kHz as per the requirements of SOLAS.