#osint

Coordy: Zero-Backend Geodesic Vector Plotting, WMM2025 Declination & URL-Hash State Compression

Inside Coordy—Tekromancy's zero-telemetry geospatial bearing calculator and tactical vector plotter featuring Slerp great-circle orthodromes, Rhumb line loxodromes, an offline WMM2025 spherical harmonic magnetic declination solver, universal OLC/DMS/what3words coordinate parsing, and serverless base64url hash serialization.