Learn maritime with interactive quizzes and detailed flag information. Test knowledge with randomized questions. View Morse code signals using the phone’s flashlight. Track progress and identify areas for improvement through analytics.
COLREGs offers flag identification, weather scales, cloud recognition, sound signal guidance, and vessel light details. Users can access navigation , interpret flags, and understand sound and light signals for safe boating.
Custom crosshairs and copy codes for pro players. Choose from over 150 styles created by pro players, streamers, and the community. Preview images before applying. Copy code with one tap for immediate use.
Track International Space Station passes with real-time alerts and location guidance. Check weather conditions for optimal viewing. Receive notifications before each pass. Add satellites and amateur radio capabilities via in- purchases.
Calculate coordinates and grid squares for projects
Offers calculators for designing radios and antennas. Users can find latitude and longitude from a maidenhead square or vice versa. Calculate distances between squares. Convert units. Locate current position.
The app provides practice questions and exams for the Technician class amateur radio license. It identifies areas needing further practice and allows users to review FCC rule text.
Learn and practice Morse Code by touching the screen to generate tones. Adjust tone frequency from 300 Hz to 1200 Hz and control volume. Send dots with short touches and dashes with longer holds.
Study for the Commercial Driver's License with practice questions and multi-choice answers. Take simulated tests with randomized questions. Receive detailed scores and email them. Save results automatically.