Amateur radio operator

NASA astronaut Col. Doug Wheelock, KF5BOC, Expedition 24 flight engineer, operates the NA1SS ham radio station in the Zvezda Service Module of the International Space Station. Equipment is a Kenwood TM-D700E transceiver.

An amateur radio operator is someone who uses equipment at an amateur radio station to engage in two-way personal communications with other amateur operators on radio frequencies assigned to the amateur radio service. Amateur radio operators have been granted an amateur radio license by a governmental regulatory authority after passing an examination on applicable regulations, electronics, radio theory, and radio operation. As a component of their license, amateur radio operators are assigned a call sign that they use to identify themselves during communication. About three million amateur radio operators are currently active worldwide.[1]

Amateur radio operators are also known as radio amateurs or hams. The term "ham" as a nickname for amateur radio operators originated in a pejorative usage (like "ham actor") by operators in commercial and professional radio communities, and dates to wired telegraphy.[2][3] The word was subsequently[when?] adopted by amateur radio operators.[citation needed]

  1. ^ Silver, H Ward (23 April 2004). Ham Radio for Dummies. Indianapolis: Wiley Publishing. ISBN 978-0-7645-5987-7. OCLC 55092631.
  2. ^ Hall, L. C. (January 1902). "Telegraph Talk and Talkers". McClure's Magazine. Vol. 18, no. 3. pp. 230–231.
  3. ^ "Word Origins - Ham". United States Early Radio History. Archived from the original on 15 November 2019.

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