About OG2.org
OG2.org is a high-performance GPS, GNSS, satellite navigation, and geospatial engineering platform
built for engineers, developers, researchers, and navigation enthusiasts.
The platform provides advanced online tools for coordinate systems, orbital mechanics, satellite tracking,
signal analysis, geodesy calculations, and real-world positioning systems.
Our goal is to unify fragmented GNSS tools into a single, fast, accurate, and browser-based engineering suite.
Contact
1. Coordinate Conversion & Mapping Tools
- Latitude/Longitude ↔ UTM Converter
- Latitude/Longitude ↔ MGRS Converter
- Lat/Lon ↔ ECEF Converter
- UTM Zone Finder
- DMS ↔ Decimal Degrees Converter
- Bulk Coordinate Converter (CSV/Excel)
- Reverse Geocoding Tool
- Google Maps Link Generator
- Multi-point Route Plotter
- Coordinate Validator Tool
2. Geodesy & Earth Geometry Tools
- Haversine Distance Calculator
- Vincenty Distance Calculator
- Great-circle Distance Tool
- Bearing / Azimuth Calculator
- Midpoint Calculator
- Earth Curvature Distance Tool
- Horizon Visibility Calculator
- Polygon Area on Earth Calculator
- Ellipsoid Model Distance Tool
- Elevation Difference Calculator
3. Satellite Orbit & Tracking Tools
- Orbital Period Calculator
- Orbital Velocity Calculator
- Satellite Coverage Footprint Tool
- Pass Prediction System
- Real-time Satellite Position Predictor
- Sky View (Azimuth/Elevation Plot)
- Ground Track Visualizer
- LEO/MEO/GEO Orbit Simulator
- Orbital Decay Estimator
- Constellation Simulator (GPS/Galileo/GLONASS/BeiDou)
4. GNSS Accuracy & Positioning Tools
- DOP Calculator (HDOP / VDOP / PDOP)
- GPS Error Estimator
- Position Uncertainty Radius Tool
- Satellite Geometry Simulator
- RTK vs Standard GPS Accuracy Tool
- GNSS Signal Quality Analyzer
- Ionospheric Delay Model
- Tropospheric Delay Calculator
- Clock Drift Error Simulation
- Multipath Error Estimator
- GNSS Accuracy Heatmap Generator
5. Signal, RF & Propagation Tools
- Signal Travel Time Calculator
- Free Space Path Loss Calculator
- Doppler Shift Calculator
- Fresnel Zone Calculator
- GPS Signal Delay Calculator
- Signal-to-Noise Ratio Estimator
- RF Link Budget Calculator
- Atmospheric Signal Loss Model
- Satellite Communication Delay Tool
- Multipath Reflection Simulator
6. GPS Time & Chronology Tools
- GPS Time ↔ UTC ↔ Unix Converter
- GPS Week Number Converter
- Leap Second Calculator
- Julian Date Converter
- Sidereal Time Calculator
- Time Synchronization Tool
- GPS Week Rollover Fix Tool
- TAI vs UTC Comparison Tool
- Relativistic Time Dilation Calculator
7. Advanced Geospatial Engineering Tools
- ECEF ↔ LLA Converter
- ECEF ↔ ENU Converter
- Geoid Height Calculator (EGM96/EGM2008)
- Elevation Mask Angle Tool
- Line-of-Sight Calculator
- Terrain Visibility Simulator
- Radio Horizon Calculator
- Earth Radius Variation Tool
- Satellite Geometry Analyzer
- Geospatial Coordinate Transformation Suite
8. Future Platform Expansion
- 3D Satellite Visualization Engine
- Real-time GNSS Dashboard
- RINEX File Analyzer
- NMEA Data Decoder
- GNSS Dataset Cleaner
- Satellite Constellation Builder
- AI-based GPS Accuracy Predictor
- Interactive Orbital Mechanics Simulator