CQ ham radio is a monthly amateur radio

Amateur radio

Amateur radio is the use of designated radio frequency spectrum for purposes of private recreation, non-commercial exchange of messages, wireless experimentation, self-training, and emergency communication...

 enthusiast magazine

Magazine

Magazines, periodicals, glossies or serials are publications, generally published on a regular schedule, containing a variety of articles. They are generally financed by advertising, by a purchase price, by pre-paid magazine subscriptions, or all three...

 published in Japan

Japan

Japan is an island nation in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south...

. The magazine is published in Japanese

Japanese language

is a language spoken by over 130 million people in Japan and in Japanese emigrant communities. It is a member of the Japonic language family, which has a number of proposed relationships with other languages, none of which has gained wide acceptance among historical linguists .Japanese is an...

 and draws its subscription base primarily from Japan

Japan

Japan is an island nation in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south...

. The name of the magazine is derived from the international amateur radio call CQ

CQ (call)

CQ is a code used by wireless operators, particularly those communicating in Morse code, but also by voice operators, to make a general call . Transmitting the letters CQ on a particular radio frequency is an invitation for any operators listening on that frequency to respond...

, used to indicate that the station making the call is available for communications with any other station.

CQ ham radio is not associated with the similarly named United States

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 magazine CQ Amateur Radio

CQ Amateur Radio

CQ Amateur Radio is a magazine for amateur radio enthusiasts. The magazine has a worldwide readership base for its English language edition. A Spanish language edition is published in Spain with some translations of articles from the English language edition and some original European content...

.