Normally pretty good but every timetable change there'll be a change in calling pattern and the announcements will start missing stations that haven't been recorded. (Such as Teignmouth, Heald Green, Laurencekirk)
IIRC▸ Digital Doris from Wessex days, who was Ruth, went to Nottingham for 3 Days for the recordings and every Station in Britain was recorded 3 times.
It took a Morning to Do all off England, the Afternoon to do Scotland, and TWO days to do all the Stations in Wales
But even after all that we still ended up with
"Buglulyan"
on the Newquay branch.