This application is a training tool for people who are interested in learning more about VHF (Very High Frequency) radio, Digital Selective Calling (DSC) and Global Maritime Distress and Safety System (GMDSS).

It will be very useful for people who are planning to study or take a test on VHF and DSC, and for people who are already studying VHF and DSC and want to improve their knowledge and understanding of the systems.

This application has three sections:

Learning - This section contains a lot of information and material, with the aim of learning and improving your knowledge about VHF and DSC.

Test - This section contains the test and the corresponding explanation.

Simulation - This section allows you to simulate and interact with different scenarios.