The app computes distance and bearing using Maidenhead location. It displays a map with annotations and overlays identifying grid areas, and allows users to add new annotations by touching the screen.
by Thomas Sullivan★ 5.02 ratingsUtilitiesFreeData updated 2026-10-26
The app provides tools for sailors to take apparent bearings, showing the bearing taken, target course, and wheel correction. It also offers speed, real-time position, and assistance in determining wind direction.
Simulates a retro scientific calculator with RPN input. Features a 10-digit LED display, four stack registers, and a storage register. Includes math, trigonometric, and logarithmic functions. Displays results in polar/rectangular formats.
Measure land , distance, and perimeter using GPS. Create projects, add team members, and sync measurements in real time. Set permissions for different roles and collaborate on shared projects. Export data and view detailed reports.
Generate tones for phone numbers, special characters, and pauses. Tap or hold keys to produce accurate tones. Watch digits highlight during playback for precise control. Manage tone sequences and control calls externally.
The app calculates the shortest distance or distance with a constant bearing between two locations. Users can select current location, enter coordinates, or choose from a database.
Real-time operator map shows live radio stations worldwide. Tap pins to view station details and call signs. Connect with operators globally, send and receive messages. Track communication history and manage contacts.
Edit PDF documents with text, annotations, and form filling. Add digital signatures using SignFlow. View and share PDFs. Save and export in various formats. Organize and manage multiple files within the .
Allows users to calculate distance and area using GPS. Tap to start and stop tracking automatically as you move. Manually input points to specific areas. Save and share measurement data.
The app provides worldwide marine and outdoor maps, satellite imagery, and terrain overlays. It includes local marine weather forecasts and community information for boaters.
Track , distance, and max with a digital . View current city and switch between MPH, KM/H, and knots. Log average and max . Display map view and odometer readings.