If you look below this post you will a link that enables you to do a google search of this site. Using that link I have found. The following could have changed frequency or gone digital since they were posted here.
Aberdare - Cynon Valley - Shopwatch - 456.7500 456.075 461.575 NATIONAL GRID LNG STORAGE FACILITY DYNEVOR ARMS ABERDARE SOUTH WALES FM. Mountain ash hospital is on 453.39375.