NASA astronaut and Boeing Crew Flight Test Pilot Suni Williams Suni Williams uses a HAM radio and talks to students from Banda Aceh, Indonesia, answering their questions about life in space and other space related subjects aboard the International Space Station.

ISS045E089495 (11/04/2015) --- NASA astronaut Kjell Lindgren uses a HAM radio to speak with operators down on Earth. The International Space Station is equipped with amateur radio equipment allowing astronauts to share the excitement of space exploration, inspire and ignite interest among students and others on the ground.

ISS020-E-015010 (28 June 2009) --- Canadian Space Agency astronaut Robert Thirsk, Expedition 20 flight engineer, uses a ham radio system in the Zvezda Service Module of the International Space Station.

ISS034-E-042431 (9 Feb. 2013) --- NASA astronaut Tom Marshburn, Expedition 34 flight engineer, conducts a ham radio session in the Columbus laboratory of the International Space Station.

ISS024-E-013398 (5 Sept. 2010) --- NASA astronaut Doug Wheelock, Expedition 24 flight engineer, uses a ham radio system in the Zvezda Service Module of the International Space Station.

ISS020-E-032882 (20 Aug. 2009) --- NASA astronaut Tim Kopra, Expedition 20 flight engineer, uses a ham radio system in the Zvezda Service Module of the International Space Station.

ISS024-E-013387 (5 Sept. 2010) --- NASA astronaut Doug Wheelock, Expedition 24 flight engineer, uses a ham radio system in the Zvezda Service Module of the International Space Station.

ISS029-E-036777 (31 Oct. 2011) --- NASA astronaut Mike Fossum, Expedition 29 commander, conducts a ham radio session in the Zvezda Service Module of the International Space Station with students at the Kantonsschule in Zug, Switzerland.

ISS034-E-042418 (9 Feb. 2013) --- NASA astronaut Tom Marshburn, Expedition 34 flight engineer, conducts a ham radio session in the Columbus laboratory of the International Space Station.

S104-E-5092 (16 July 2001) --- Susan J. Helms, Expedition Two flight engineer, talks to amateur radio operators on Earth from the HAM radio workstation in the Zarya module of the International Space Station (ISS).

ISS011-E-05494 (4 May 2005) --- Astronaut John L. Phillips, Expedition 11 NASA ISS science officer and flight engineer, sets up amateur radio equipment in the Zvezda Service Module of the International Space Station (ISS) prior to conducting a ham radio exchange with students at Albany Hills State School in Brisbane, Australia.

ISS011-E-05496 (4 May 2005) --- Astronaut John L. Phillips, Expedition 11 NASA science officer and flight engineer, participates in a ham radio exchange with students at Albany Hills State School in Brisbane, Australia from the Zvezda Service Module of the international space station.

ISS034-E-023688 (5 Jan. 2013) --- Canadian Space Agency astronaut Chris Hadfield, Expedition 34 flight engineer, conducts a ham radio session in the Zvezda Service Module of the International Space Station.

ISS018-E-023671 (27 Jan. 2009) --- Astronaut Michael Fincke, Expedition 18 commander, uses a ham radio system in the Zvezda Service Module of the International Space Station.

ISS018-E-023674 (27 Jan. 2009) --- Astronaut Michael Fincke, Expedition 18 commander, uses a ham radio system in the Zvezda Service Module of the International Space Station.

ISS034-E-067237 (13 March 2013) --- Inside the Columbus module on the International Space Station, Expedition 34 Commander Kevin Ford talks to students in Mt. Ousley, Australia during Expedition 34 Ham radio operations on March 13, 2013. He is reading questions that were uplinked by the students.

ISS026-E-016991 (8 Jan. 2011) --- European Space Agency astronaut Paolo Nespoli, Expedition 26 flight engineer, conducts a ham radio session from the Zvezda Service Module of the International Space Station with students at Universit? degli studi di Bari ?Cittadella Mediterranea della Scienza,? Bari, Italy.

iss073e0423823 (Aug. 1, 2025) --- JAXA (Japan Aerospace Exploration Agency) astronaut and Expedition 73 Commander Takuya Onishi speaks on a ham radio with students attending the Osaka-Kansai Japan Expo in Osaka, Japan. Astronauts frequently speak to students, professionals, and government officials using the ham radio aboard the International Space Station's Destiny laboratory module.

iss073e0511718 (Aug. 20, 2025) --- NASA astronaut and Expedition 73 Flight Engineer Zena Cardman speaks on a ham radio with the NixderStelar youth organization from Lima, Peru. The youngsters asked about using artificial intelligence on the International Space Station, how research in space benefits humans on Earth, and how living in weightlessness affects their bodies. Astronauts frequently speak to students, professionals, and government officials using the ham radio aboard the orbital outpost's Destiny laboratory module.

iss072e013206 (Oct. 5, 2024) --- NASA astronaut and Expedition 72 Commander Suni Williams calls down to students in Shepperton, United Kingdom, on the International Space Station's ham radio and answers their questions about living in space.

iss072e034812 (Oct. 11, 2024) --- NASA astronaut and Expedition 72 Flight Engineer Nick Hague calls down to students in Quebec, Canada, on the International Space Station's ham radio and answers their questions about living in space.

iss073e0252501 (June 29, 2025) --- NASA astronaut and Expedition 73 Flight Engineer Jonny Kim conducts a ham radio session and takes notes inside the International Space Station's Columbus laboratory module.

ISS009-E-22046 (11 September 2004) --- Astronaut Edward M. (Mike) Fincke, Expedition 9 NASA ISS science officer and flight engineer, uses a microphone/keypad for the ARISS ham radio in the Zvezda Service Module of the International Space Station (ISS) during his contact with the Palmer Research Station in Antarctica.

ISS022-E-032383 (16 Jan. 2010) --- Russian cosmonaut Maxim Suraev, Expedition 22 flight engineer, conducts a ham radio session in the Zvezda Service Module of the International Space Station with students, alumni and faculty of Kursk State Technical University.

ISS022-E-032386 (16 Jan. 2010) --- Russian cosmonaut Oleg Kotov, Expedition 22 flight engineer, conducts a ham radio session in the Zvezda Service Module of the International Space Station with students, alumni and faculty of Kursk State Technical University.

ISS004-E-5931 (January 2002) --- Cosmonaut Yury I. Onufrienko, Expedition Four mission commander representing Rosaviakosmos, works with the Amateur Radio (HAM) WA3 Antenna Assembly in the Zvezda Service Module on the International Space Station (ISS). The image was taken with a digital still camera.

iss072e882080 (March 31, 2025) --- NASA astronaut and Expedition 72 Flight Engineer Nichole Ayers talks on a ham radio with students from Lakeside Junior High School in Springdale, Arkansas. Ayers answered questions from the students about her experience living and working aboard the International Space Station.

ISS022-E-032384 (16 Jan. 2010) --- Russian cosmonaut Maxim Suraev, Expedition 22 flight engineer, conducts a ham radio session in the Zvezda Service Module of the International Space Station with students, alumni and faculty of Kursk State Technical University.

ISS003-E-6730 (October 2001) --- Astronaut Frank L. Culbertson, Jr., Expedition Three mission commander, uses a ham radio in the functional cargo block (FGB), or Zarya on the International Space Station (ISS). This image was taken with a digital still camera.

ISS004-E-5930 (January 2002) --- Astronaut Carl E. Walz, Expedition Four flight engineer, works with the Amateur Radio (HAM) WA3 Antenna Assembly in the Zvezda Service Module on the International Space Station (ISS). The image was taken with a digital still camera.

iss066e031742 (November 3, 2021) -- ESA (European Space Agency) astronaut and Expedition 65 Flight Engineer Thomas Pesquet is seen using the Amateur Radio on the International Space Station (ARISS).

ISS008-E-21904 (April 2004) --- Astronaut C. Michael Foale, Expedition 8 commander and NASA ISS science officer, holds a portable microphone/keypad for the ARISS ham radio in one hand, and a note card with his call sign of NA1SS in the other in the Zvezda Service Module on the International Space Station (ISS). Cosmonaut Alexander Y. Kaleri, flight engineer representing Russia’s Federal Space Agency, donned in the Russian Lower Body Negative Pressure (LBNP) or Chibis suit in preparation for a return to gravity following his stay onboard the ISS, is visible in the background.

ISS011-E-09069 (2 June 2005) --- Astronaut John L. Phillips, Expedition 11 NASA ISS science officer and flight engineer, uses amateur radio equipment in the Zvezda Service Module of the International Space Station (ISS) while speaking with students from Brigidine College in Sydney, Australia.

ISS014-E-18307 (27 March 2007) --- Astronaut Sunita L. Williams, Expedition 14 flight engineer, talks with students at the International School of Brussels in Belgium during an Amateur Radio on the International Space Station (ARISS) contact in the Zvezda Service Module.

ISS014-E-18306 (27 March 2007) --- Astronaut Sunita L. Williams, Expedition 14 flight engineer, talks with students at the International School of Brussels in Belgium during an Amateur Radio on the International Space Station (ARISS) contact in the Zvezda Service Module.

iss067e175034 (June 25, 2022) --- Expedition 67 Flight Engineer and NASA astronaut Kjell Lindgren participates in a ham radio session in commemoration of the Amateur Radio Relay League's 2022 Field Day supporting public service, emergency preparedness, community outreach, and technical skills all in a single event.

ISS019-E-007263 (17 April 2009) --- Japan Aerospace Exploration Agency (JAXA) astronaut Koichi Wakata, Expedition 19/20 flight engineer, uses a communication system in the Zvezda Service Module of the International Space Station.

iss072e280674 (Nov. 24, 2024) --- NASA astronaut and Expedition 72 Commander Suni Williams poses for a fun holiday season portrait while speaking on a ham radio inside the International Space Station's Columbus laboratory module.

iss059e085130 (May 30, 2019) --- NASA astronaut Nick Hague floats inside Europe's Columbus laboratory module during a HAM radio session using the International Space Station's call sign NA1SS.

iss069e033736 (July 18, 2023) --- NASA astronaut and Expedition 69 Flight Engineer Stephen Bowen is pictured in the Columbus laboratory module conducting a HAM radio session with students from Carleton University in Ottawa, Ontario, in Canada.

iss072e034816 (Oct. 11, 2024) -- NASA astronaut and Expedition 72 Flight Engineer Nick Hague is photographed while talking with students from Quebec, Canada, during an ISS Ham Radio session.

iss066e084425 (Nov. 29, 2021) --- NASA astronaut and Expedition 66 Flight Engineer Raja Chari conducts a ham radio session aboard the International Space Station with students from Temuco, Chile.

STS059-16-028 (9-20 April 1994) --- Onboard the Space Shuttle Endeavour, astronaut Linda M. Godwin talks to students via the Shuttle Amateur Radio Experiment (SAREX). The payload commander, as well as several other STS-59 crew members spent some off-duty time using the amateur radio equipment to communicate with "Hams" and students on Earth.

iss071e006723 (April 10, 2024) --- Expedition 70 Flight Engineer and NASA astronaut Jeanette Epps smiles for a portrait abaord the International Space Station's Columbus laboratory module. She had finished conducting a HAM radio session with Italian students who asked Epps several questions about living and working in space.

iss068e018996 (Oct. 24, 2022) --- Expedition 68 Flight Engineer Koichi Wakata of the Japan Aerospace Exploration Agency (JAXA) gives a "thumbs up" after powering on the Zvezda service module's ham radio aboard the International Space Station. Credit: JAXA/Koichi Wakata

ISS010-E-11144 (16 December 2004) --- Astronaut Leroy Chiao, Expedition 10 commander and NASA ISS science officer, uses a microphone/keypad for the ARISS ham radio in the Zvezda Service Module of the International Space Station (ISS).

iss072e280684 (Nov. 24, 2024) --- NASA astronauts Don Pettit and Suni Williams, Expedition 72 flight engineer and commander respectively, pose for a fun holiday season portrait while speaking on a ham radio inside the International Space Station's Columbus laboratory module.

iss067e185243 (July 16, 2022) --- ESA (European Space Agency) astronaut and Expedition 67 Flight Engineer Samantha Cristoforetti calls down to students from Italy on the International Space Station's HAM radio and discusses what it is like to live and work in space.

ISS015-E-28715 (14 Sept. 2007) --- Astronaut Clay Anderson, Expedition 15 flight engineer, uses a communication system while checking a procedures checklist in the Zvezda Service Module of the International Space Station.

During its close flyby of Earth, NASA Jupiter-bound Juno spacecraft listened for a coordinated, global transmission from amateur radio operators using its radio and plasma wave science instrument, known as Waves.

STS078-429-017 (20 June-7 July 1996) --- Aboard the middeck of the Earth-orbiting space shuttle Columbia, astronaut Charles J. Brady, mission specialist and a licensed amateur radio operator or "ham", talks to students on Earth. Some of the crew members devoted some of their off-duty time to continue a long-standing Shuttle tradition of communicating with students and other hams between their shifts of assigned duty. Brady joined four other NASA astronauts and two international payload specialists for almost 17-days of research in support of the Life and Microgravity Spacelab (LMS-1) mission.

STS064-04-009 (9-20 Sept. 1994) --- Astronaut L. Blaine Hammond, STS-64 pilot, talks to students on Earth via the Shuttle Amateur Radio Experiment (SAREX) on the space shuttle Discovery's flight deck. The recently licensed "Ham" operator and several other crew members throughout the mission were connected with schools around the world with the aid of a number of amateur radio operators. Hammond joined five other NASA astronauts for almost 11 days in Earth orbit aboard Discovery. Photo credit: NASA or National Aeronautics and Space Administration

STS50-39-006 (25 June-9 July 1992) --- Astronaut Richard N. Richards, STS-50 mission commander, stands by a monitor displaying a group of elementary pupils (Addison Elementary School, Marietta Georgia) who were among the many students and others on Earth who communicated with members aboard the Earth-orbiting Space Shuttle Columbia. The Shuttle Amateur Radio Experiment (SAREX) has flown on a number of STS missions now, allowing hundreds of students and "hams" the chance to communicate with licensed radio operators in space. Richards is KB5SIW and astronaut Ellen S. Baker, the crew's other licensed operator, is KB5SIX.

STS064-20-026 (9-20 Sept. 1994) --- Astronaut Jerry M. Linenger, STS-64 mission specialist, uses the Shuttle Amateur Radio Experiment (SAREX) to communicate with students on Earth. Various members of the crew made contact with a number of other "hams" around the world during the almost 11-day mission in Earth orbit. Photo credit: NASA or National Aeronautics and Space Administration

iss073e1198126 (Nov. 28, 2025) --- Expedition 73 Flight Engineers Chris Williams and Zena Cardman, both NASA astronauts, seen here with the ISS Ham Radio during a school contact inside the International Space Station's Columbus laboratory module. Cardman was helping new NASA Flight Engineer Chris Williams familiarize himself with station hardware, operations, and systems during his second day aboard the orbital outpost.

ISS015-E-29992 (26 Sept. 2007) --- Astronaut Clay Anderson, Expedition 15 flight engineer, smiles for a photo while using a communication system in the Zvezda Service Module of the International Space Station.

ISS008-E-07169 (December 2003) --- Astronaut C. Michael Foale, Expedition 8 mission commander and NASA ISS science officer, uses a communication system in the Zvezda Service Module on the International Space Station (ISS).

ISS008-E-07170 (December 2003) --- Cosmonaut Alexander Y. Kaleri, Expedition 8 flight engineer representing Rosaviakosmos, uses a communication system in the Zvezda Service Module on the International Space Station (ISS).

ISS009-E-13383 (28 June 2004) --- Cosmonaut Gennady I. Padalka, Expedition 9 commander representing Russia’s Federal Space Agency, uses a communication system in the Zvezda Service Module of the International Space Station (ISS).

ISS003-E-5782 (September 2001) --- Astronaut Frank L. Culbertson, Jr., Expedition Three mission commander, operates the amateur radio equipment in the Zarya or functional cargo block (FGB) of the International Space Station (ISS). This image was taken with a digital still camera. Please note: The date identifiers on some frames are not accurate due to a technical problem with one of the Expedition Three cameras. When a specific date is given in the text or description portion, it is correct.

ISS012-E-21181 (21 March 2006) --- Astronaut William S. McArthur Jr., Expedition 12 commander and NASA science officer, talks on the ARISS (Amateur Radio on the International Space Station) inside the Zarya Functional Cargo Block during his scheduled amateur radio session. This session is with the Sir James Lougheed Elementary School, Calgary, Alberta, Canada.

STS100-343-020 (19 April-1 May 2001) --- Cosmonaut Yuri V. Lonchakov (left), STS-100 mission specialist, observes as Yury V. Usachev, Expedition Two commander, talks to amateur radio operators on the ground from a special work station on the functional cargo block (FGB) or Zarya module of the International Space Station (ISS). The two represent Rosaviakosmos.

STS100-345-015 (19 April-1 May 2001) --- Astronaut Jeffrey S. Ashby, STS-100 pilot, talks to amateur radio operators on the ground from a special work station on the functional cargo block (FGB) or Zarya module of the International Space Station (ISS).

ISS009-E-13379 (28 June 2004) --- Astronaut Edward M. (Mike) Fincke, Expedition 9 NASA ISS science officer and flight engineer, uses a communication system in the Zvezda Service Module of the International Space Station (ISS).

STS047-45-003 (12-20 Sept 1992) --- Payload specialist Mamoru Mohri communicates with students from the aft flight deck of the Earth-orbiting Space Shuttle Endeavour. The communications were an extension of the Shuttle Amateur Radio Experiment (SAREX), which has flown on a number of previous flights. Dr. Mohri represents Japan's National Space Development Agency (NASDA), joining six NASA astronauts for eight-days in space in support of the Spacelab-J mission. Several of the crew members were able to talk with students and other "ham" operators during the mission.

S129-E-007227 (21 Nov. 2009) --- Astronaut Randy Bresnik (near the Columbus laboratory), STS-129 mission specialist, participates in the mission's second session of extravehicular activity (EVA) as construction and maintenance continue on the International Space Station. During the six-hour, eight-minute spacewalk, Bresnik and astronaut Mike Foreman (out of frame), mission specialist, installed a Grappling Adaptor to On-Orbit Railing Assembly, or GATOR, on the Columbus laboratory. GATOR contains a ship-tracking antenna system and a HAM radio antenna. They relocated a floating potential measurement unit that gauges electric charges that build up on the station, deployed a Payload Attach System on the space-facing side of the Starboard 3 truss segment and installed a wireless video system that allows spacewalkers to transmit video to the station and relay it to Earth.

S129-E-007789 (21 Nov. 2009) --- Astronaut Mike Foreman, STS-129 mission specialist, participates in the mission's second session of extravehicular activity (EVA) as construction and maintenance continue on the International Space Station. During the six-hour, eight-minute spacewalk, Foreman and astronaut Randy Bresnik (out of frame), mission specialist, installed a Grappling Adaptor to On-Orbit Railing Assembly, or GATOR, on the Columbus laboratory. GATOR contains a ship-tracking antenna system and a HAM radio antenna. They relocated a floating potential measurement unit that gauges electric charges that build up on the station, deployed a Payload Attach System on the space-facing side of the Starboard 3 truss segment and installed a wireless video system that allows spacewalkers to transmit video to the station and relay it to Earth.

S129-E-007756 (21 Nov. 2009) --- Astronaut Randy Bresnik (near the Columbus laboratory), STS-129 mission specialist, participates in the mission's second session of extravehicular activity (EVA) as construction and maintenance continue on the International Space Station. During the six-hour, eight-minute spacewalk, Bresnik and astronaut Mike Foreman (out of frame), mission specialist, installed a Grappling Adaptor to On-Orbit Railing Assembly, or GATOR, on the Columbus laboratory. GATOR contains a ship-tracking antenna system and a HAM radio antenna. They relocated a floating potential measurement unit that gauges electric charges that build up on the station, deployed a Payload Attach System on the space-facing side of the Starboard 3 truss segment and installed a wireless video system that allows spacewalkers to transmit video to the station and relay it to Earth.