Call Sign Trainer: Morse code

Billy Francisco

About this app

Two training modes:

Challenge mode:
Measure your progress! Choose a speed and a collection and try for a new record. Copy 25 call signs, with only 1 repeat allowed for each!

Practice mode:
Practice copying call signs using any amount of calls and allowed repeats.

Features:
Multiple collections of call signs: CWT, POTA, SOTA, and general.

Choose to keep a constant speed or vary it depending on performance.

Highlights differences between the entry and the actual call.

Customizable tone: choose a single frequency, or random tones. A raised cosine envelope is used to avoid key clicks, the rise and fall times can be changed.

Option to automatically or manually play the next call sign.

Records your all-time highest WPM, and your best accuracy and score for each WPM + callsign group challenge.

You can type '.' to enter '/' for easier entry with the Android keyboard.

Includes an optional workaround for some Bluetooth devices which would otherwise idle and cut off the beginning of audio.

Ratings and reviews

Great CW callsign trainer. If you enjoy using RufzXP or QRQ on the computer then you'll enjoy this app as it is very similar. It works very well, the sound is good and the graphics are nice. I can see myself using this a lot. A graph of score/wpm over time would be nice as that is quite motivating. A global high score table like RufzXP would be nice too! Thanks for s great app. Nick M5NCW

This is an excellent app for either a new or old student who wants to develop their listening skills in picking up call signs. Very beneficial to newer CW operators who are hunting and activating POTA! I recommend this app to my LICW students for its ease of use and getting them on-the-air.

It's a good app, the only thing I find is that the is no delay between hitting submit and it firing the next callsign at me, so no time for the finger to move back to my pencil to copy.

What's new

Updated build for newer Android versions