Because the PGS Stations were renamed, here a zip with the old ones.

from beginning until SB-Game #15 and Werkloze Desyncs, Inc. on MS (DBSet)

[newgrf]
planesetw_459.grf
dbsetxlw.grf
alpinew.grf
pb_hovs_bus.grf
pb_viaduct.grf
basic_platformsw.grf
harbourw_456.grf
jcindstaw.grf
newstatsw.grf
pgs-counw.grf
pgs-freiw.grf
pgs-silvw.grf
pgs-subuw.grf
ukwaypointsw.grf

after that until revision r8620 (UKRS)

[newgrf]
planesetw_459.grf
alpinew.grf
pb_hovs_bus.grf
pb_viaduct.grf
pb_ukrs.grf = 0 3 0
troprs_w.grf
basic_platformsw.grf
harbourw_456.grf
jcindstaw.grf
newstatsw.grf
pgs-counw.grf
pgs-freiw.grf
pgs-silvw.grf
pgs-subuw.grf
ukwaypointsw.grf
usstatsw.grf

From revision r8979, the GRF settings will be set automatically and are stored in the saves.