Wwwop, welcome indeed! That's an awful lot of territory, and oceans for that matter, to be covered in one post. It would be really interesting to hear your story in more detail, all the more so because the WAAF has been woefully conspicuous by its absence in this thread to date.
So why the WAAF rather than the other women's uniformed Services? Where was your basic training? What was it like? What was involved in becoming a WOp? In Singapore were you working RAF Records by Short Wave?
I only ask because I remember that Changi had a roomful of operators trying to raise London and failing to do so, when a US Officer strolled in and asked if he could set up his comms equipment on the roof. An Airman was duly detailed and it was he that revealed what happened next. The officer opened the attache case he was carrying, set up a corkscrew like antenna, pointed it at the sky, twiddled some knobs and then began speaking into a handset. "Canaveral, Canaveral, this is Singapore, how do you read, over. Roger, loud and clear also, Singapore out".
It was the mid 60's, the first orbital Gemini missions were imminent and Changi was one of the places where US Rescue Teams were based, ready to fly to a capsule that came down other than in the planned recovery area. This wondrous use of what later became known to us as Communication Satellites spelled redundancy for the people in the room downstairs...