Laptop with the radio simulation Radio Tutor in the background are waves

Professional simulation and learning software for water sports

SRC + UBI
RadioTutor

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Simulation and learning app
for SRC & UBI

In addition to an extremely realistic simulation of the radio equipment, it offers a step-by-step introduction from the first switch-on to the handling of complete radio scenarios. The software is supplemented by numerous functions such as an online textbook, question catalogue, vocabulary trainer and dictation exercises.

Modern and realistic device simulation

This app combines an extremely comprehensive and realistic VHF/DSC and ATIS simulation with a modern user interface. Key animations, original sounds and almost every device function were simulated during the implementation. This includes receiving and sending DSC calls, the address book and a wide range of device settings

Display of up to four devices

Send and receive DSC and voice messages from 4 devices simultaneously

Numerous device simulations

Simulates devices such as the M330, M423, M323, M505 and the M503/DS100.

Step by step to the goal

The app supports you from switching on the radio for the first time to exam readiness - theory & practice.

Multilingualism

You can also use the user interface in English or French.

Complete package for the test

Official DSV/DMY question catalogues, vocabulary trainer, dictation exercises, online textbook, ...

Simulation for training and practice

Use the simulation either as an instructor, alongside a course or for self-study

Sparks on the Internet (*summer 2025)

Use the simulation to radio together with friends, colleagues and course participants.

From Beginners To Experts

Suitable for all users

Introduction for beginners, exercises for advanced users and extensive simulation for professionals.

Online Support

Support

We help if there is a problem somewhere.

Run Everywhere

Runs everywhere

Windows, MacOS, Android, iOS, Linux, ...

Our products

Product packaging
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SRC Radio Tutor - 12 months

A brief overview of the software:

  • Simulation of the M330, M423, M323, M505 and M503/DS100 radios
  • Language switchable between German, English and French
  • Practical introduction to radio operation and operating procedures (radiotelephony messages) directly on the device
  • Complete question catalog for practicing in the card index system (for exams in Germany)
  • Official exam papers
  • Vocabulary trainer with voice output
  • Online theory book for quick reference and browsing
  • All 27 official translation texts (for exams in Germany) to write down or print out.
  • Further information such as spelling alphabet, exam requirements
  • 12 months unlimited access (renewable)
  • Support in case of any problems

System requirements:

  • Windows: Windows 10 or 11, browser (Edge 100+, Chrome 100+, Firefox 100+, or Opera 84+), internet connection, recommended: Sound card with speakers and microphone
  • MacOS: MacOS 16.0+, browser (Safari 16+), internet connection, recommended: Sound card with loudspeaker and microphone
  • Android: Android 12+, browser (Chrome 130+, Firefox 137+ or Opera 80+), internet connection, recommended: Speaker and microphone
  • iOS: iOS 16+, browser (Safari 16+), internet connection, recommended: Speaker and microphone
  • Linux: Ubuntu 24+, Debian 12+, Gento 23+ and derivatives, browser (Chrome 100+ or Firefox 100+), internet connection, recommended: Sound card with loudspeaker and microphone
  • Web: almost any current browser (e.g. Chrome 100+ or Firefox 100+) with internet connection, recommended: Sound card with loudspeaker and microphone

Get started right away: Your access code will be emailed to you automatically immediately after you place your order.

The complete package for your Short Range Certificate exam (SRC) for the practical and theory exams. This makes it suitable both for courses and for self-study.
The marine radio certificate is required for anyone who wants to sail at sea or on the coast as a skipper and has a radio on board.

Frey Software
€49.90
Availability: 20 In Stock
Product packaging from UBI Tutor
Quick view
  • Out-of-Stock

UBI Radio Tutor - 12 months

A brief overview of the application

  • Simulation of the M330, M423, M323, M505 and M503/DS100 radios (functions relevant for inland navigation radio)
  • Language switchable between German, English and French
  • Practical introduction to radio operation and operating procedures (radiotelephony messages) directly on the device
  • Complete question catalog for practicing in the card index system (for exams in Germany)
  • Official exam sheets
  • Online theory book for quick reference and browsing
  • Further information such as spelling alphabet, exam requirements
  • 12 months unlimited access (can be extended)
  • Support in case of any problems.

System requirements:

  • Windows: Windows 10 or 11, browser (Edge 100+, Chrome 100+, Firefox 100+, or Opera 84+), internet connection, recommended: Sound card with speakers and microphone
  • MacOS: MacOS 16.0+, browser (Safari 16+), internet connection, recommended: Sound card with loudspeaker and microphone
  • Android: Android 12+, browser (Chrome 130+, Firefox 137+ or Opera 80+), internet connection, recommended: Speaker and microphone
  • iOS: iOS 16+, browser (Safari 16+), internet connection, recommended: Speaker and microphone
  • Linux: Ubuntu 24+, Debian 12+, Gento 23+ and derivatives, browser (Chrome 100+ or Firefox 100+), internet connection, recommended: Sound card with loudspeaker and microphone
  • Web: almost any current browser (e.g. Chrome 100+ or Firefox 100+) with internet connection, recommended: Sound card with loudspeaker and microphone

You will receive the access data automatically by e-mail immediately after ordering

The complete package for your examination for the VHF radiotelephone certificate for inland navigation (UBI) for the practical and theory exams. This makes it suitable both for courses and for self-study.
The radio certificate is required for anyone who wants to sail as a skipper on an inland waterway and has a radio on board.

Frey Software
€24.90
Availability: Out of stock

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