Radio 217 was the pre-launch names used by Ken Sheehan for Radio Dublin when it was testing. The name was a reference to the frequency used at the time – 217m. Tests began in 1965 and were infrequent, usually Sundays at midday.

Station names used: –
Radio 217
Radio Dublin
Raidió Baile Átha Cliath
Raidió Blácliath
Static Radio