Sheetal Dubey·5d agoThe Next War Might Start With GPS Going DarkThe answer might be hiding in the rocks below and a few photons from a mountain 200km away.A response icon2A response icon2
Hamdan Albastaki·6d agoWhen GPS Goes DarkA small drone at the mouth of a collapsed mine. Rock between it and the heavens. No satellites up above, no signal. No one to steer in the…
A·Oct 27I Built Oasis: A Free App to Find Nearby Water FountainsAn app for runners, cyclists, hikers, and anyone who has ever wondered where they can refill their water bottle.
A·Oct 27I Built a Free Offline Navigation App for Hiking, Trail Running, and Mountain BikingI wanted an easier way to follow my own routes in the mountains, without paying for navigation features or worrying about mobile coverage…
Tomas Suarez·Oct 26Wiring a Nano GPS to a micro drone and enabling GPS rescueSmall frame, six wires: fitting a Flywoo Nano GPS to Bjorn 2.5, from wiring and battery placement to the Betaflight OSD.
Jietion·Oct 232G and 3G Shutdowns for GPS Trackers: Migration Planning, SMS Continuity and Roaming ChecksDefinition: For GPS trackers facing 2G and 3G shutdowns, the IoT SIM must work on the LTE, LTE-M or NB-IoT network each replacement tracker…
Jietion·Oct 23GPS Tracker Reporting Intervals and Keep-Alive Timers: How Firmware Settings Drive Monthly UsageDefinition: For GPS trackers, an IoT SIM carries position reports, alarms and configuration traffic, so the tracker’s reporting interval…
The Enterprise Sponge·Oct 2110–21–2026 — The Lost Art of Unplugged NavigationPodcast Link: https://youtu.be/tMIsifyomKo
Vitalii (Ibag)·Oct 20How to Find a Lost Drone When GPS Is JammedNotes from a Ukrainian GPS tracker maker on what a tracker can do after a crash under electronic warfare, and where its limits are.
In地科人之眼byWhyjay Zheng 鄭懷傑·Oct 18全球通訊就靠它！變化萬千的「內太空」電離層距離地表數百公里的高空，在對流層、平流層、中間層之上，還藏著一片被稱為「內太空」的區域，包含了電離層、電漿層、磁層等變幻莫測的部分。其中，電離層不僅會直接影響全球的通訊、定位系統，甚至與地震、火山等自然現象都有關聯。
