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  2. Richmond, Fredericksburg and Potomac Railroad - Wikipedia

    en.wikipedia.org/wiki/Richmond,_Fredericksburg...

    [citation needed] The RF&P company became Commonwealth Atlantic Land V Inc., [2] and a new corporation, named the Richmond, Fredericksburg & Potomac Railway Company, was formed on October 9, 1991. [6] On December 31, 1925, RF&P operated 118 miles of road and 432 miles of track; on December 31, 1970, mileages were 118 and 518. [citation needed]

  3. Rashtriya Rifles - Wikipedia

    en.wikipedia.org/wiki/Rashtriya_Rifles

    The Rashtriya Rifles (RR; transl. National rifles) is a counter-insurgency force in India, formed in 1990, to deal with internal security in the Jammu and Kashmir region. [2] They maintain public order by drawing powers from the Armed Forces (Jammu and Kashmir) Special Powers Act, 1990 (AFSPA). [ 3 ]

  4. 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 ...

  5. Radio spectrum - Wikipedia

    en.wikipedia.org/wiki/Radio_spectrum

    The ISM bands were initially reserved for non-communications uses of RF energy, such as microwave ovens, radio-frequency heating, and similar purposes. However, in recent years the largest use of these bands has been by short-range low-power communications systems, since users do not have to hold a radio operator's license.

  6. List of acronyms: R - Wikipedia

    en.wikipedia.org/wiki/List_of_acronyms:_R

    Rb – (s) Rubidium; RB – (i) Running back (football); R&B – (i) Rhythm and Blues; RBAR – (i) Row by agonizing row – a derogatory way of describing a technique of scanning a set of records in a database to update or examine the contents of each one.

  7. ITU Radio Regulations - Wikipedia

    en.wikipedia.org/wiki/ITU_Radio_Regulations

    The ITU Radio Regulations (RR) is a basic document of the International Telecommunication Union (ITU) that regulates on law of nations scale radiocommunication services and the utilisation of radio frequencies. It is the supplementation to the ITU Constitution and Convention and in line with the ITU International Telecommunication Regulations ...

  8. List of YouTube features - Wikipedia

    en.wikipedia.org/wiki/List_of_YouTube_features

    Users retain copyright of their own work under the default Standard YouTube License, [104] but have the option to grant certain usage rights under any public copyright license they choose. Since July 2012, it has been possible to select a Creative Commons attribution license as the default, allowing other users to reuse and remix the material.

  9. Walkersville Southern Railroad - Wikipedia

    en.wikipedia.org/wiki/Walkersville_Southern_Railroad

    The railroad uses it on dinner trains as a dressing room for dinner theater actors and as a mount for a generator (attached to the car's underside) for providing electrical power to the train. In addition to the RF&P 923 [8] and Wabash 2827 [9] cabooses hosted for the CRA, the railroad also hosts a number of private equipment for multiple ...