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Roam Research

Navigation satellites guide the world and its wars

GPS is part of a broader family of global navigation satellite systems (GNSS) that are crucial for various applications, including military operations.

fromAdrelien | Meshtastic, IoT & Off-Grid Tech Guides

1 month ago

Why Your Meshtastic Node Sees More Satellites (GNSS Explained)

The other day we were scrolling through r/meshtastic and someone asks: "Why does my device show 10+ satellites in view while my buddy's barely sees 8?" Good question. Really good question, actually. And it's about to take us down a rabbit hole that involves atomic clocks, Cold War competition, European independence, and why your Meshtastic node cares about all of this.

Gadgets

Science

fromState of the Planet

4 months ago

Sailing Around the Bangladesh Coastal Zone

Delta sustainability depends on the balance of sea-level rise, land subsidence, and sediment deposition; GNSS and RSET-MH measurements quantify subsidence and elevation change.

Science

fromState of the Planet

4 months ago

Repairing Global Navigation Satellite Systems in the Land of Tea

A GNSS network in Bangladesh measures tectonic motion and delta land subsidence with millimeter precision, but most stations are not currently transmitting.

Information security

fromNature

6 months ago

GPS timekeeping is increasingly vulnerable: here's how to deliver future-proofed time

Modern society critically depends on GNSS-derived timing, yet GNSS vulnerabilities (jamming, spoofing, weather) create underappreciated risks requiring stronger, diversified timing resilience.