@PKBeam
I don't want to give out a clue yet (after 2 more guesses or so a clue will emerge) but I will say look at (not out of) the train windows. It may or may not answer your question.
its not Asquith.
New clue (well 2),
1.yes it is a G Set and
2.its not an intercity Station, (Campbelltown, Hornsby, Emu Plains and Waterfall are the boundaries)