Simplify the following text for a Grade 4 native English-speaking person.
Original: DAB was launched to the public in late 2006 , and now contains eight RTÃ digital-only stations -- RTÃ 2XM , RTÃ Chill , RTÃ Choice , RTÃ Digital Radio News , RTÃ Gold , RTÃ Junior , RTÃ Pulse and RTÃ Radio 1 Extra -- as well as the four terrestrial services . RTÃ 's radio stations are also carried on digital cable and satellite platforms in Ireland , as well as on digital terrestrial television , and RTÃ Radio 1 has been carried on shortwave in DRM during specific events , including the All Ireland finals .
Simplified: RTÃ Radio has four stations .