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  2. Q code - Wikipedia

    en.wikipedia.org/wiki/Q_code

    The Q-code is a standardised collection of three-letter codes that each start with the letter "Q". It is an operating signal initially developed for commercial radiotelegraph communication and later adopted by other radio services, especially amateur radio.

  3. QRP operation - Wikipedia

    en.wikipedia.org/wiki/QRP_operation

    VOACAP simulation of propagation against distance, comparing effective radiations of 1 watt (top) and 99 Watts (bottom).. The practice of operating with low power was popularized as early as 1924, with a variety of reports, editorials and articles published in U.S. amateur radio magazines and journals that encouraged amateurs to lower power output, both for purposes of experimentation, and for ...

  4. HamSphere - Wikipedia

    en.wikipedia.org/wiki/Hamsphere

    HamSphere is a subscription-based internet service that simulates amateur radio communication using VoIP connections over the Internet. The simulator allows licensed radio amateurs and unlicensed enthusiasts to communicate with one another using a simulated ionosphere. It was designed by Kelly Lindman, a radio amateur with call sign 5B4AIT. [1]

  5. 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.

  6. General radiotelephone operator license - Wikipedia

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

    Pass Element 8 written exam. Element 8 – Ship Radar Endorsement Ship Radar Techniques. Specialized theory and practice applicable to the proper installation, servicing, and maintenance of ship radar equipment in general use for marine navigation purposes. Element 8 exam consists of questions in the following categories:

  7. Military Auxiliary Radio System - Wikipedia

    en.wikipedia.org/wiki/Military_Auxiliary_Radio...

    MARS participates in exercises such as QRPX, JulyX Skills Challenge, and Bold Quest to help support military communicators practice HF radio skills. MARS interfaces with Amateur Radio and provides DoD with local, domestic information when normal methods of communications are impaired or disrupted.