Q-Code - the 25 most used codes

The Q code was standardised by the ITU at the beginning of the 20th century to facilitate telegraph communications between operators not speaking the same language. In amateur radio, it remains widely used in CW, in certain digital modes but also in phone. Here are the 25 codes you will encounter daily.  

In this downloadable article, we review the 25 codes you will encounter on a daily basis.