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  2. General radiotelephone operator license - Wikipedia

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

    The general radiotelephone operator license (GROL) is a license granted by the U.S. Federal Communications Commission (FCC) that is required to operate certain radio equipment. It is required for any person who adjusts, maintains, or internally repairs FCC licensed radiotelephone transmitters in the aviation, maritime, and international fixed ...

  3. Amateur radio licensing in the United States - Wikipedia

    en.wikipedia.org/wiki/Amateur_radio_licensing_in...

    FCC amateur radio station license of Al Gross. In the United States, amateur radio licensing is governed by the Federal Communications Commission (FCC). Licenses to operate amateur stations for personal use are granted to individuals of any age once they demonstrate an understanding of both pertinent FCC regulations and knowledge of radio station operation and safety considerations.

  4. Global Maritime Distress and Safety System - Wikipedia

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

    These are generally not the same agencies who administer the ham tests. Written test elements 1 and 7 are required for the Operator license, and elements 1 and 7R for the Restricted Operator. (Passing element 1 also automatically qualifies the applicant for the Marine Radiotelephone Operator Permit, the MROP.)

  5. Radiotelephone - Wikipedia

    en.wikipedia.org/wiki/Radiotelephone

    A radiotelephone (or radiophone), abbreviated RT, [1] is a radio communication system for conducting a conversation; radiotelephony means telephony by radio. It is in contrast to radiotelegraphy , which is radio transmission of telegrams (messages), or television , transmission of moving pictures and sound.

  6. Radiotelephony procedure - Wikipedia

    en.wikipedia.org/wiki/Radiotelephony_procedure

    Radio call signs are a globally unique identifier assigned to all stations that are required to obtain a license in order to emit RF energy. The identifiers consist of from 3 to 9 letters and digits, and while the basic format of the call signs are specified by the ITU-R Radio Regulations, Article 19, Identification of stations, [5] the details are left up to each country's radio licensing ...

  7. NFL divisional round schedule, playoff bracket: Chiefs, Lions ...

    www.aol.com/sports/nfl-divisional-round-schedule...

    The divisional round of the playoffs is up next. NFL divisional round schedule, playoff bracket: Chiefs, Lions back in action after postseason bye week

  8. RTO - Wikipedia

    en.wikipedia.org/wiki/RTO

    Radiotelephone operator, a former occupational specialty in the U.S. military; Request time out, a packet loss on ping (networking utility)

  9. General Mobile Radio Service - Wikipedia

    en.wikipedia.org/wiki/General_Mobile_Radio_Service

    GMRS operators are permitted to transmit at up to 50 watts transmitter power output, on the 16 main channels, [13] but transmitting 1 to 5 watts is more common in practice. The interstitial frequencies are in-between the main channels, and the 462 MHz interstitial frequencies may be used for simplex as long as the effective radiated power does ...