Spectrum & Broadcasting

1865 · 161 years ago

The International Telegraph Union was founded in Paris, the direct ancestor of today's ITU

Formed by European states to standardise cross-border telegraph traffic, it became, after absorbing radio regulation in the twentieth century, the United Nations agency responsible for coordinating global spectrum use and satellite orbital slots, the oldest continuously operating international organisation.

1912 · 114 years ago

The International Radiotelegraph Convention established the first global framework for radio spectrum use and distress signalling

Agreed after the Titanic disaster exposed the chaos of unregulated shipboard radio, the convention required ships to monitor distress frequencies continuously and began the practice of allocating radio spectrum by international agreement rather than by whoever broadcast first.

1937 · 89 years ago

The fourth CCIR meeting recommended the division of the radio spectrum into named bands at Bucharest

The table dividing the radio spectrum into bands, each covering a decade of frequency and beginning at a wavelength that is a power of ten metres, originated in a recommendation of the fourth CCIR meeting held in Bucharest. This convention gave engineers and regulators a shared vocabulary — terms such as high frequency (HF) for 3 to 30 MHz — that underpins international spectrum allocation.

1942 · 84 years ago

Fleming-Williams proposed the numbering of radio bands in a letter to Wireless Engineer

Fleming-Williams suggested the band-numbering scheme in a letter to the editor of Wireless Engineer. The numbering, in which each band's approximate geometric mean corresponds to a power of ten hertz, was subsequently adopted as part of the standard spectrum classification.

1945 · 81 years ago

Arthur C. Clarke proposed using geostationary satellites for global communications

Writing in a technical magazine more than a decade before any satellite existed, Clarke described how three satellites in geostationary orbit could relay signals to cover almost the entire planet, a design later built almost exactly as he outlined.

1947 · 79 years ago

The International Radio Conference approved the ITU radio band table at Atlantic City

The International Radio Conference held at Atlantic City, New Jersey, formally approved the band division scheme first recommended by the CCIR a decade earlier. Approval turned an engineering convention into the internationally recognised framework within which frequencies are allocated to the some 40 radiocommunication services defined in the ITU's Radio Regulations.

1957 · 69 years ago

The Soviet Union launched Sputnik 1, the first artificial satellite

The beach-ball-sized satellite carried no communications payload beyond a simple radio beacon, but its launch proved orbital flight was possible and triggered the space race that produced every satellite communications and navigation system that followed.

1962 · 64 years ago

Telstar 1 relayed the first live transatlantic television pictures

The satellite, active for only a few months before radiation from a high-altitude nuclear test damaged its electronics, proved that satellites could carry live broadcast signals across oceans, a demonstration that shaped public imagination as much as engineering practice.

1965 · 61 years ago

Intelsat I, known as Early Bird became the first commercial geostationary communications satellite

Operated by an international consortium of governments and telecom operators, it carried live transatlantic television and telephone traffic, establishing the geostationary satellite as the backbone of international broadcasting and telecommunications for the following three decades.

2000 · 26 years ago

The United States ended GPS Selective Availability

Removing the deliberate degradation of civilian GPS signals gave ordinary users accuracy previously reserved for the military, a decision that unlocked the wave of commercial satellite navigation applications, from shipping to smartphones, that followed over the next decade.

2016 · 10 years ago

The European Union's Galileo system reached initial operational service

Galileo gave Europe a satellite navigation system independent of American, Russian and Chinese systems, a project pursued for two decades partly to guarantee civil and military access that could not be degraded or switched off by another power.

2019 · 7 years ago

SpaceX launched the first large batch of Starlink satellites, opening the mega-constellation era

The launch began deployment of a low-earth-orbit constellation that grew within a few years to several thousand satellites, a scale and pace of deployment that reset expectations for what a commercial satellite broadband network could look like.

April 2025 · last year

Amazon's Kuiper launched its first operational broadband satellites

The launch began deployment of a planned constellation of more than three thousand satellites, giving Amazon a belated but well-funded entry into a low-earth-orbit broadband market Starlink had led for several years without a serious rival at scale.

2025 · last year

SES completed its acquisition of Intelsat, consolidating the satellite operator market

The Luxembourg-based operator's purchase of its rival created one of the largest fleets of geostationary and medium-earth-orbit satellites, a defensive scale move by established operators facing competition from SpaceX's much larger low-earth-orbit constellation.

• Regulators reviewed the deal for competition concerns

2025 · last year

India pushed for NavIC compatibility in smartphones sold domestically

The telecoms ministry pressed device makers to support India's regional satellite navigation system alongside GPS, reducing reliance on a foreign-controlled system for positioning services used in transport, agriculture and disaster response.

December 2024 · 2 years ago

The European Union signed the contract to build its IRIS² sovereign satellite constellation

A consortium led by SES and Eutelsat won the contract to build a European government and commercial communications constellation intended to reduce reliance on Starlink and other non-European systems for secure connectivity.

2024 · 2 years ago

Indonesia's SATRIA-1 satellite entered service, extending broadband to remote schools and clinics

The high-throughput satellite, among the most powerful serving South East Asia, began delivering internet access to thousands of government sites across Indonesia's scattered islands that fibre and mobile networks did not reach.

2024 · 2 years ago

India decided to allocate satellite spectrum administratively rather than by auction

The decision favoured global satellite broadband entrants such as Starlink and Amazon's Kuiper, which had lobbied against auctions, over the preference of Reliance Jio and other domestic mobile operators for competitive bidding as used for terrestrial spectrum.

2024–2025 · last year

Russia struggled to fully replenish its GLONASS satellite constellation under sanctions

Restricted access to space-grade Western electronics slowed production of replacement satellites, leaving parts of the constellation operating past their designed lifespan and adding pressure on Russia's ability to guarantee independent satellite navigation.

2024–2025 · last year

African governments continued approving Starlink licences for rural connectivity

Kenya, Zimbabwe, Malawi and other countries granted operating licences, extending internet access to areas fibre and mobile towers had not reached, though several governments also pressed for local ownership stakes or stricter data rules in return.

2024–2025 · last year

Baltic and Middle Eastern states reported a surge in GPS jamming and spoofing incidents

Civil aviation authorities logged rising numbers of flights losing reliable satellite navigation near the Baltic Sea, the Black Sea and the Eastern Mediterranean, disruption attributed largely to electronic warfare linked to the war in Ukraine and tensions around Iran.

• Airlines adjusted procedures to cope with signal loss

2024–2025 · last year

China began launching its Qianfan and Guowang low-earth-orbit broadband constellations

Repeated launches placed the first batches of what were planned as two separate mega-constellations of several thousand satellites each into orbit, positioning Chinese state and commercial operators as the main rivals to Starlink for global satellite broadband coverage.

• Countries along the Belt and Road were offered early access to the service

2020 · 6 years ago

China's BeiDou navigation system completed global coverage

The final satellite in the third-generation constellation gave China an independent satellite navigation system with worldwide coverage, ending sole reliance on the American GPS system for positioning and timing services critical to its economy and military.

• Pakistan and other Belt and Road partners adopted BeiDou for civil and military applications