Complex sentence: The An Coimisiún um Rialáil Cumarsáide (Commission for Communications Regulation) issues call signs in the EI series for amateur use, and in the EJ series for operation in the off-shore islands of Ireland.
Split into simpler sentences: The An Coimisiún um Rialáil Cumarsáide (Commission for Communications Regulation) issues call signs in the EI series for amateur use. The EJ series is assigned for operation in the off-shore islands of Ireland.