Search Articles — Sudonull

https://sudonull.com/kalman-filter-for-ins-and-gnss-in-engee

Implementation of the optimal Kalman filter for integrating INS and satellite navigation. Orthodromy, LUR, sensor errors. Engee code for middle/senior developers. Study the model.

https://sudonull.com/topological-navigation-of-robots-without-gps-method-of-ipmech-ras

Russian scientists have created an alternative to GPS for mobile robots. Topological navigation without maps and satellites. Advantages, limitations, and forecasts. Read.

https://sudonull.com/satellite-imagery-selection-by-water-level

Learn how the “Uroven-Sputnik” service automates Landsat and Sentinel search for hydrological data. Architecture on PostGIS, STAC and MPC for hydrologists. Study the stack and implementation.

https://sudonull.com/china-launched-a-quantum-satellite-6g-testing-future-communications

China successfully launched an experimental satellite for quantum communication and 6G. Learn about the technologies, tests, and impact on the global telecom industry. Read the analysis.

https://sudonull.com/cas500-2-south-korea-launched-its-own-satellite-into-orbit

South Korean satellite CAS500-2 with 0.5 m resolution was launched into orbit by SpaceX Falcon 9 rocket. Analysis of geopolitical implications and technological sovereignty. Read details.

https://ymaho.com/blue-origin-reuses-rocket-but-loses-satellite

Blue Origin lands reused New Glenn booster—but satellite ends up in wrong orbit. Learn what went wrong and why it matters for space access.

https://ymaho.com/japan-s-2027-mission-to-inspect-dead-satellites-in-orbit

Learn how a private Japanese spacecraft will inspect defunct satellites to tackle space junk—and why it matters for GPS, weather, and global communications.

https://ymaho.com/amazon-leo-satellites-launched-in-heaviest-atlas-v-mission

Amazon's internet-from-space project takes a leap forward with a record-setting rocket launch. Learn how it could bring broadband to remote areas.

https://ymaho.com/oil-slick-off-kharg-island-satellites-and-a-hidden-crisis

Satellites detected an oil spill at an Iranian terminal. Find out why this is a symptom of a deep collapse, not an accident. Read the analysis of causes and forecast.

https://ymaho.com/oil-spill-near-khark-threat-to-iran-s-exports

Satellites recorded a 50 sq km slick near Iran's terminal. Learn how sanctions and infrastructure wear led to a leak of 3,000 barrels. Read risk analysis for the market.

https://ymaho.com/solar-storm-threat-gps-power-grids-at-risk

A once-in-a-century solar storm could knock out GPS and power grids. Learn how it works and why it matters to you.

https://ymaho.com/blue-origin-reuses-rocket-what-it-means-for-space-access

Blue Origin tests a reused New Glenn rocket ahead of its first reflight. Learn how rocket reuse lowers costs and boosts global connectivity.

https://ymaho.com/see-asteroid-apophis-flyby-earth-in-2029-naked-eye-event

Asteroid Apophis will pass closer than satellites in 2029. Learn where and when to see it — and why scientists are excited.