Question: Which publication covers topics related to amateur radio contesting, GameFan or National Contest Journal?

Context paragraphs:
Amateur Radio Society of India: The Amateur Radio Society of India (ARSI) is a national non-profit organization for amateur radio enthusiasts in India.  ARSI is recognized by the Indian government under the provisions of Section 13 of the Indian Societies Registration Act (No.  XXI of 1860) as amended and extended.  ARSI operates a QSL bureau for those amateur radio operators in regular contact with amateur radio operators in other countries, and supports amateur radio operating awards and radio contests.  The Amateur Radio Society of India represents the interests of Indian amateur radio operators before national and international regulatory authorities.  ARSI is the national member society representing India in the International Amateur Radio Union.

GameFan: GameFan (originally known as Diehard GameFan) was a publication started by Tim Lindquist and Dave Halverson in September 1992 that provided coverage of domestic and import video games.  It was notable for its extensive use of game screenshots in page design because of the lack of good screen shots in other U.S. publications at the time.  The original magazine ceased publishing in December 2000.  On April 2010, Halverson relaunched GameFan as a hybrid video game/film magazine.  However, this relaunch was short-lived and suffered from many internal conflicts, advertising revenue being the main one.

Federacion de Radioaficionados de Cuba: The Federacion de Radioaficionados de Cuba (FRC) (n English, Cuban Amateur Radio Federation) is a national non-profit organization for amateur radio enthusiasts in Cuba.  The FRC claims that 98% of all Cuban amateur radio operators belong to the organization.  These members are organized in 180 local amateur radio clubs that are affiliated with the Federacion de Radioaficionados de Cuba.  Key membership benefits of FRC include a QSL bureau for those amateur radio operators in regular communications with other amateur radio operators in foreign countries and sponsorship of amateur radio operating awards and radio contests.  FRC acts as a liaison between Cuban amateur radio operators and Cuban regulatory authorities.  FRC is the national member society representing Cuba in the International Amateur Radio Union.

Five Nine: Five Nine (also referred to as 59) was a monthly magazine published in Tokyo, Japan.  The magazine covered topics related to amateur radio DXing and contesting.  It was published in Japanese and was mainly distributed in Japan.  The name of the magazine is derived from the international amateur radio RST code report of 59, indicating the highest level of signal readability and signal strength.  The 59 signal report is commonly used in radio DXing, regardless of the actual signal readability or strength of the station receiving the report.

Pakistan Amateur Radio Society: The Pakistan Amateur Radio Society (PARS) is a national non-profit organization for amateur radio enthusiasts in Pakistan.  PARS operates a QSL bureau for those amateur radio operators in regular contact with amateur radio operators in other countries, and supports amateur radio operating awards and radio contests.  The Pakistan Amateur Radio Society represents the interests of Pakistani amateur radio operators before national and international regulatory authorities.  PARS is the national member society representing Pakistan in the International Amateur Radio Union.

South African Radio League: The South African Radio League (SARL), formerly known as the South African Radio Relay League (SARRL), is a non-profit organisation representing the interests of amateur radio enthusiasts in South Africa.  The SARL advocates on behalf of its membership and all licensed amateur radio operators in South Africa as the representative of amateur radio to the South African government.  This has included the promotion of deregulation and simplification of the amateur radio service, and expansion of the number of amateur radio operators in Southern Africa.  The SARL publicises and promotes the role of amateur radio in society, and promotes the use of amateur radio in schools as an entry point into the fields of science and technology.  SARL publishes a magazine called "Radio ZS" six times a year.  SARL is the national member society representing South Africa in the International Amateur Radio Union.

Single operator two radios: Single operator two radios (SO2R) is an operating practice employed by some competitors in the sport of amateur radio contesting.  By using two transceivers attached to separate antennas, competitors can listen to one amateur radio band while transmitting on another.  This capability enables the operator to more efficiently locate other amateur radio stations participating in the competition with which to make contact and score points.

Contesting: Contesting (also known as "radiosport") is a competitive activity pursued by amateur radio operators.  In a contest, an amateur radio station, which may be operated by an individual or a team, seeks to contact as many other amateur radio stations as possible in a given period of time and exchange information.  Rules for each competition define the amateur radio bands, the mode of communication that may be used, and the kind of information that must be exchanged.  The contacts made during the contest contribute to a score by which stations are ranked.  Contest sponsors publish the results in magazines and on web sites.

Contesting technology: The sport of amateur radio contesting has been responsible for the development of contesting technology specific to the sport.  The most competitive stations participating in contests employ new and innovative technology, hardware, and software.  Some of these innovations are exclusively used in the sport of contesting; others have seen wider application in amateur radio at large.

National Contest Journal: The National Contest Journal (also referred to by the acronym NCJ) is a bimonthly magazine published by the American Radio Relay League, with an independent volunteer editor.  The magazine covers topics related to amateur radio contesting.  The magazine is published in English and draws its subscription base primarily from the United States of America and Canada.

Supporting paragraphs: GameFan National Contest Journal
Answer: National Contest Journal