In mid-June 2025, India’s Department of Telecommunications granted Starlink a Global Mobile Personal Communications by Satellite (GMPCS) license, publicly confirmed by Communications Minister Jyotiraditya Scindia. Starlink becomes the third GMPCS licensee in India after Eutelsat OneWeb and Reliance Jio’s satellite venture. Starlink operates a Low-Earth Orbit constellation at about 550 km altitude, and globally has…
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By March 2025, Lviv’s primary market apartments averaged $1,330 per square meter, the highest in Ukraine, up 1.5% year-on-year and up 66% since March 2021. In the secondary market, the average asking price for a one-bedroom resale apartment in Lviv is about $65,000, slightly higher than Kyiv’s about $63,000. As of March 2025, average rents…
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Sentinel-1 radar imaged the aftermath of Cyclone Idai in Mozambique in 2019 and revealed approximately 2,165 km² of flooding around the coastal city of Beira. Idai’s satellite flood maps pinpointed about 400,000 people stranded and helped allocate rescue resources. NOAA’s GOES weather satellites monitored Hurricane Dorian in 2019 as it approached the Bahamas, providing real-time…
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Jamaica’s internet penetration is about 83–85%, with 2.37 million internet users in January 2025, representing 83.4% of the population online. Rural areas show roughly 77% internet usage compared with about 87% in urban centers, highlighting an urban–rural digital divide. Median mobile data speed is about 29–30 Mbps, while median fixed broadband speed is around 60–80…
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1859: British astronomer Richard Carrington observed a powerful solar flare, and within a day telegraph systems worldwide went haywire while auroras appeared near the equator—the Carrington Event, the largest geomagnetic storm on record. During the 1957–58 International Geophysical Year, Explorer-1 became the first U.S. satellite to discover the Van Allen radiation belts encircling Earth. SOHO,…
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Starlink Constellation (2019–present) by SpaceX comprises about 4,500 microsatellites in ~550 km LEO with Ku/Ka-band user links and laser crosslinks, enabling global internet including disaster response. James Webb Space Telescope (2021) features a 6.5 m segmented mirror and instruments NIRCam, NIRSpec, and MIRI, delivering the deepest infrared images of the universe including SMACS 0723 and…
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In 2024 the global GNSS correction and augmentation services market is estimated around $3.5 billion and is on track to double by 2030 to over $6 billion. RTK-based services accounted for $796.8 million in 2022, about 25% of the market. PPP was the largest segment in 2022, valued at $1,833.1 million (roughly 59% share). Galileo…
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Field telephones were standard on the battlefield from the 1910s through the 1980s, with the EE-8 field telephone (1930s–Vietnam) offering a 7-mile range. The SCR-300 Walkie-Talkie, developed by Galvin Manufacturing (Motorola) in 1940, was the first backpack FM radio with about a 3-mile range. SINCGARS, fielded by the U.S. Army in the late 1980s, has…
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WorldSpace, founded in 1990, launched the first satellite radio broadcasts in October 1999 over Africa and the Middle East, with India accounting for 90% of its subscribers before filing for bankruptcy in 2008 and ceasing broadcasts in 2009. XM Satellite Radio launched its first satellite in March 2001 and began broadcasting to U.S. customers on…
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In late 2022, Apple launched Emergency SOS via satellite on the iPhone 14 series, enabling two-way emergency texting via Globalstar satellites. As of iOS 17 and later, iPhone 14/15 users in supported regions can share their location and send basic non-emergency texts via satellite, with two years of free service after activation before a paid…
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