Satellite wars: Elon Musk’s Starlink faces competition for global communications network
- by The Irish Times
- Oct 24, 2024
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Thu Oct 24 2024 - 05:00
In the summer of 1995, I took one of the most eventful journeys in my life when I interrupted our family holiday in Connemara for a critical business trip. I boarded the Galway bus and then another on to Shannon, flew to New York and finally on to Phoenix, Arizona.
My destination was the headquarters of Motorola satellite communications. My family understandably were quite unhappy with the interruption. The Phoenix flight was also delayed by several hours, overbooked and I was very nearly denied boarding. I was exhausted arriving to my hotel at 5am, instead of the prior evening.
Over a short 8.30am breakfast with Motorola, I signed a long-negotiated but game-changing contract for my company, Iona, and then headed straight back to Connemara, arriving to my family the next day.
The contract was for Iridium, an initiative to build a global communications network using low-orbit satellites. At a time when mobile phone networks were in their infancy, Motorola and its partners believed that a planetary mesh of satellites could instantly offer a cellular network anywhere in the world, including, in particular, for parts of the world then having a poor telecommunications infrastructure.
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But Starlink may soon not be the only game in town. Jeff Bezosâs Amazon already runs much of the internetâs infrastructure with its web services and worldwide data centres. Adding a satellite constellation would allow Amazon to strengthen its competitive position with direct high-capacity connections to its infrastructure, bypassing any need for intermediary internet service providers.
Amazon thus founded its Kuiper satellite subsidiary in 2019, four years after Starlink. Kuiper has so far launched just two test satellites but intends to build out its constellation of 3,000 satellites from early next year. It must have at least 1,600 in orbit by July 2026 to meet its commitments to its US regulator (the Federal Communications Commission).
Much of the technology appears broadly similar to that of Starlink although different frequency bands are used to connect the constellations to the ground terminals, with Kuiper using a higher bandwidth but potentially being more susceptible to weather conditions.
Starlink is estimated to have cost about $10 billion to date, and maybe $20 billion for a dense constellation. Nevertheless, SpaceX has been able to keep the Starlink costs comparatively low by largely building its satellites in-house and using its own rockets to launch the satellites.
Kuiperâs costs are expected to be significantly higher in comparison, both due to satellite manufacturing costs and contracting with multiple launch companies (including Bezosâ own SpaceX competitor, Blue Origin).
Some analysts expect Starlink to grow its current 2.7 million subscribers and $6.6 billion in revenue to at least five million subscribers by 2027 and circa $32 billion in revenue. An optimal analysis for Kuiper projects 100 million customers at $30 per month, and thus $36 billion in annual revenue.
In both projects, satellites are an ongoing cost. Kuiper expects a seven-year satellite lifespan. So once fully operational, about 450 satellites will need to be annually replaced. Starlinkâs current satellites only have a five-year span. Once its 12,000 satellites are operational, 2,400 of them will need to be annually replaced at an estimated annual cost of $8.2 billion.
The project lead for Kuiper was hired in 2018 from SpaceX and there were rumours that he was fired for being overly cautious compared with Muskâs impatience. Some analysts are now speculating that Kuiper is moving far too slowly and that there are too many challenges ahead to progress from todayâs two test satellites to meeting the FCC requirement of 1,600 in 20 monthsâ time. Even with Amazonâs deep pockets, Kuiperâs high costs may be more than its investors wish to bear.
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