Dublin has RTE Radio 1 with a weekly Reach of 36 (+1), FM104 30 (+1), 98 at 23 (Same), 2FM 19 (Same), NewsTalk 18 (Same), Q102 17 (Same), Today 16 (+1), Lyric 10 (-1), Country Mix 6 (+1) and Phantom 5 (Same).
Dublin's Share has Radio 1

In Cork 96/C103 are at 50 (+1), RTE Radio 1 23 (+1), Red 1

Limerick sees Live 95 down 4 to 81.
Highland Radio in Donegal continue to have the

Nationally 2FM ar

Good book for:
Shannonside/Northern Sound with Reach at 50 (+2).
Tipp FM

LMFM 32 (+1).

Not so great for:
Live 95 55 (-2)
KCLR 36 (-2)
East Coast 31 (-2) and
Kfm 23 (-2).
Anyway, take a look for yourself here:
http://www.bci.ie/documents/jnlr_jandec08.pdf