Telecommunications in Antarctica

Telecommunications in Antarctica help people at research stations stay connected to the rest of the world. Since there are no undersea cables, people use radio signals, satellites, or even physical delivery to send messages. This way, scientists and support staff can share important information and stay in touch with home.

Antarctica is part of the International Telecommunication Union, which helps manage communication systems worldwide. Many countries and groups have set up their own ways to communicate from the continent, using their own technology and satellite services. This makes sure that even in one of the most remote places on Earth, people can still connect with others.

Telephone communication

Some research stations in Antarctica can use telephones through radio links. Other places use satellite phones or internet calls to talk to other countries. A few bases even have their own small telephone systems.

In the United States bases, some Argentine stations have mobile phones from companies in Argentina, and use a special system called Iridium. Chile has a 5G network from a company named Entel.

Five stations in Australia and New Zealand — Casey Station, Davis Station, Macquarie Island Station, Mawson Station, and Scott Base — can be called directly from outside Antarctica. The Australian stations use the country code +672. Argentinian and Chilean bases with families can also be called directly.

Scott Base and the nearby United States base McMurdo Station can be reached using New Zealand’s country code +64.
Main article: Telecommunications in New Zealand

Television

There is a special television network called the American Forces Antarctic Network at McMurdo Station. It has six channels that people can watch with a cable system. At McMurdo Station, many television channels are also available.

Internet

Antarctica has internet services from different countries and groups at their research stations. For example, Argentine bases use WiFi from a local internet provider, and the Amundsen–Scott South Pole Station gets its internet through special NASA satellites.

Each year, about 2,700 people can use the internet in Antarctica. Some stations also test new internet services like Starlink to improve connections. Mobile phone service is available in certain areas, and some satellites can send short messages to email.

Radio

Some research stations in Antarctica have their own radio stations. For example, Argentina has Radio Nacional Arcangel San Gabriel at Esperanza Base, Chile has Radio Soberania at Villa las Estrellas, and the United States has the American Forces Antarctic Network at McMurdo. New Zealand’s Scott Base also has a radio station called Scott97FM.

Many bases use amateur radio to talk to people all over the world. This helps them stay connected. They use special radio frequencies and satellites for these conversations.

List of research facilities and country codes