I was going through the recently released transcripts from 9/11, and a saw a term I was not familiar with:
9:06:21 — Indianapolis Control, Dacos Radar Associate: Falmouth Decos.
9:06:22 — Indianapolis Control, Henderson Sector Radar Associate: this is henderson American seventy seven do you guys have radar on him is he over falmouth or - .
9:06:25 — Indianapolis Control, Dacos Radar Associate: no we just moved the track there we never you know.
What's Dacos or Decos? Is it a sector name? A name for an ATC position? I've never heard it used in Oz. The only thing close I'm aware of is Deputy Assistant Chief Of Staff (DACOS) - and somehow, that doesn't seem to fit.