I take it then that the Singing the Fishing will be from 14-00 to 14-30. If so they're only broadcasting half the programme.

Unfortunately, the BBC seem to have taken down all the radio ballads from their website, so you can no longer listen to it that way.

However, Amazon UK still have the Topic release of this amazing programme on CD for £6-40 (p&p included). Visit
http://www.amazon.co.uk/Singing-Fishing-MacColl-Charles-Parker/dp/B00000JG3V