Search Articles — Sudonull

https://sudonull.com/gps-tracker-in-ios-kalman-filter-and-geohash-implementation

How to create a background GPS tracker on SwiftUI without third-party dependencies. Technical solutions for data processing and passing App Store Review. Learn the details of implementation.

https://sudonull.com/ai-gps-predicts-drugs-for-liver-cancer

GPS Platform Analyzes Molecules to Find Treatments for HCC and IPF. Tests on Mice and Tissues Confirmed Efficacy. Open the Code and Apply to Your Tasks in drug discovery.

https://sudonull.com/etl-for-15-million-gps-pings-stack-and-architecture

Breakdown of ETL system processing 15 million GPS coordinates of buses per day. PostgreSQL, PostGIS, PySpark, Data Vault. Trip segmentation and spatial analytics for middle/senior dev. Study the implementation.

https://sudonull.com/sdr-gps-on-stm32-processing-without-asic

Create an SDR GPS receiver on STM32F4 with MAX2769. Bitwise XOR instead of multiplication, DMA capture 16 MHz. Guide for embedded developers. Study the code.

https://sudonull.com/robust-vb-ukf-for-gps-urban-canyon-outliers

Discover how Variational Bayes UKF with Student's t-distribution slashes GPS positioning errors in urban canyons by over 50%. Learn robust sensor fusion techniques for reliable navigation—explore simulations and code safeguards now.

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/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.

Google Maps

https://maps.google.com/

Find local businesses, view maps and get driving directions in Google Maps.

Global Positioning System - Wikipedia

https://en.wikipedia.org/wiki/Global_Positioning_System

Global Positioning System - Wikipedia. Jump to content. Main menu. move to sidebarhide. Navigation . Main page. Contents. Current …

GPS coordinates, latitude and longitude with interactive Maps

https://www.gps-coordinates.net/

Find the GPS Coordinates of any address or vice versa. Get the latitude and longitude of any GPS location on Earth with our …

Home | GPS.gov

https://www.gps.gov/

Apr 20, 2026 · The Global Positioning System (GPS) is an essential element of a global information infrastructure. The free, open, …

GPS | Definition, Types, Uses, & Facts | Britannica

https://www.britannica.com/technology/GPS

GPS, or the Global Positioning System, utilizes a network of over 30 satellites orbiting Earth that transmit precise time signals from …

GPS | GPS.gov

https://www.gps.gov/gps

The Global Positioning System (GPS) is a U.S.-owned utility that provides users with positioning, navigation, and timing (PNT) …

GPS signals - Wikipedia

https://en.wikipedia.org/wiki/GPS_signals

2Legacy GPS signals. Toggle Legacy GPS signals subsection. 2.1Frequency information. 2.2Modulation codes. …

GPS - NASA

https://www.nasa.gov/directorates/somd/space-communications-navigation-program/gps/

Sep 25, 2023 · The Global Positioning System (GPS) is a space-based radio-navigation system, owned by the U.S. Government and …

How Does GPS Work? | NASA Space Place – NASA Science for Kids

https://spaceplace.nasa.gov/gps/en/

Jul 31, 2026 · GPS is a system. It’s made up of three parts: satellites, ground stations, and receivers. Satellites act like the stars in …

WHAT IS GPS? - Garmin

https://www.garmin.com/en-US/aboutgps/

WHAT IS GPS? The Global Positioning System (GPS) is a U.S. government satellite-based navigation system that currently consists …