AC, have you checked the Air of Authority site yet? The stations listed show all their various lodger units and dates, ie Chaklala and Feltwell. May be of some use to you:-
Stations-C
Stations-F
I would add that though one might be posted to an AHQ, Station, or Unit, one could be detached from there to anywhere within the Command, maybe for weeks or even months at a time. For example I was posted as a co-pilot to 48 Squadron FEAF, but the Squadron's operational supply dropping was done by detachment of crews to RAF Kuching, some 450 miles due East of our Changi base. I doubt you would find Kuching in my records (other than in my Log Book of course) but I was awarded a GSM for those detachments, not for being at Changi. Just a thought...