Cyfle arall i glywed rhaglen a ddarlledwyd yn gynta' ym mis Awst o Borthmadog. Anther change to hear a programme broadcast from Porthmadog in August 2011.
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Cyfle arall i glywed rhaglen a ddarlledwyd yn gynta' ym mis Awst o Borthmadog. Anther change to hear a programme broadcast from Porthmadog in August 2011.
Mae Radio Cymru wedi bod yn darlledu rhaglenni ers 1977. Radio Cymru has been broadcasting to the nation since 1977.
