Meridian — Outdoor & GPS Tools

🧭 1. HIGH-PRECISION COMPASS (Aviation & Marine) * Magnetic North & True North modes with automatic GPS magnetic declination calculation. * Aviation & Marine dial with real-time declination indicator. * Magnetic field strength in microteslas (µT) with automatic interference detection. * GPS altitude and exact coordinates readout. 📐 2. BUBBLE LEVEL & CLINOMETER * Multidirectional bubble level for flat surfaces and edge alignment. * Precision clinometer measuring slope angles and pitch/roll tilt on X & Y axes. * High-contrast outdoor mode and auditory leveling signal. 🥾 3. GPS HIKING & TRAIL TRACKER * Background GPS track recording with battery-optimized background service. * Interactive map view with live trackline, custom Waypoints, and "Return to Start" navigation. * Comprehensive stats: Distance, duration, current & average speed, elevation gain D+, max elevation. * Instant GPX export and sharing. 🌌 4. AR SKY MAP & ASTRONOMY VIEWER * Augmented Reality (AR) constellation, star, and planet viewer (Mercury, Venus, Mars, Jupiter, Saturn). * 24-hour time scrubbing: Advance time to preview celestial positions throughout the night. * Black Background Mode (Daytime view): Clear star and planet visibility during daytime without camera glare. * Detailed astronomical object cards (magnitude, RA/Dec, distance in light-years, spectral type, mythology). 🧰 5. TOOLBOX & SURVIVAL KITS * Chronometer with lap times, vertical speed calculation (ascent/descent), and GPS location tagging. * Customizable survival kit inventory organized by category. * Official 72-hour emergency kit based on civil defense guidelines with item expiry date tracking. * Outdoor survival guides: Comprehensive tips for forest and jungle environments. --- ✨ WHY CHOOSE MERIDIAN? * 🚫 Ad-free & Privacy-first: Zero tracking or personal data collection. * 🛰️ 100% Offline Capable: All algorithms, catalogs, and tools operate without internet. * 🎨 Multiple Luminous Themes: Day, Night, Military, and High-Visibility themes.