GNSS Log App
John May Productivity iPhoneiPadiPod touch
GNSS Log App is a free Productivity app for iPhone and iPad by John May. Rated 4.9/5 from 16 ratings. Requires iOS 18.0. Updated October 2, 2026.
- Rating
- 4.9
- 16 ratings
- Price
- Free
- on the App Store
- Size
- 204 MB
- Age 4+
- Updated
- Oct 2
- 2026 · v2.0.4
Screenshots
About GNSS Log App
GNSS Obs - Professional Observation Logs GNSS Obs is the professional solution for documenting static GNSS observations. Designed for surveyors, geodesists, and geospatial professionals, it eliminates transcription errors and ensures consistent, accurate project documentation. Replace Paper Logs with Digital Precision Stop relying on paper forms, fillable PDFs, and handwritten notes. GNSS Obs provides a structured workflow that promotes accuracy and completeness while maintaining the professional standards required for geodetic control projects. Comprehensive Equipment Management Build and maintain your equipment library with support for: • Fixed height, collapsible and adjustable tripods • Antenna extensions • Integrated antenna/receiver configurations • Complete metadata for NGS compliance Import and export library items to share standardized configurations across your organization. Direct NGS Database Integration Access public monument data directly from: • National Geodetic Survey Integrated Database (IDB) • OPUS Share Database • NOAA CO-OPS Stations Monuments can also be entered manually when working with local control networks. OPUS Solution Integration Import OPUS solution emails to automatically populate: • Observed positions • Actual observation times • Session statistics • Solution quality metrics Include the complete OPUS solution in your PDF output for comprehensive project records. Essential Field Tools • Session timers with local notifications • Automatic weather recording at session start and end • Photo documentation with NGS-compliant naming • Satellite visibility diagrams using device motion sensors • Real-time editing before, during, and after observations Professional Documentation Export publication-ready PDF observation logs featuring: • Your company logo and branding • Complete equipment configurations • Weather conditions • Site photographs • Visibility diagrams • OPUS solutions Share via Files, email, AirDrop, or messaging. Note: This app documents observations and does not communicate with GNSS receivers. It is designed as a field companion for recording session metadata and producing professional deliverables. Privacy First All data remains on your device. No account required. Full control over exports and backups. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Ratings & reviews
4.9
16 ratings
What’s new
Version 2.0.4 · Updated October 2, 2026
Welcome to build 34. Mostly minor bug fixes and an issue with the OPUS Share monuments in the maps. I have also the satellite tracks on the visibility diagrams so I can do more testing.
App privacy
The developer, John May, reported these privacy practices to Apple.
Data Not Collected
The developer does not collect any data from this app.
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