GPSlaite

GPSlaite is a term that appears in some technical discussions and speculative writings to denote a hypothetical satellite navigation system or an enhanced GPS by integrating additional signals from a dedicated satellite constellation with advanced integrity monitoring and timing capabilities. The name is a portmanteau of "GPS" and "satellite," signaling an emphasis on satellite-based navigation and timing. In practice, GPSlaite could refer either to a fictional system in science fiction and thought experiments or to an academic proposal for a next-generation GNSS augmentation or alternative constellations.

Design considerations often cited in discussions include ensuring global coverage, resilience against jamming, precise atomic clocks, two-way inter-satellite links, and compatibility with existing receivers through standardized signal structures and open interfaces. A GPSlaite would likely provide accurate 3D positioning, robust timing for critical infrastructure, and improved integrity monitoring for safety-critical applications.

Applications commonly envisioned range from autonomous transportation, aviation and maritime navigation, to disaster response, surveying, and telecommunications timing. Challenges noted include spectrum allocation, international cooperation, cost, and regulatory approval.

As of now, GPSlaite is not an officially recognized system by major space agencies or standards bodies; references are mainly found in scholarly proposals, speculative articles, or fictional works. It remains a concept rather than an implemented technology.