need help with canon

[fai_dust]

I am trying to polish up a very late gift for a friend and I'm stuck on an Stargate Atlantis thing. (The problem isn't directly 'shipper or even Sheppard-related, but I promise the fic sort of is.)
 
The question: Is there a basic naming system for 'Gate teams on Atlantis? The SGC has it simple; SG-(#), but I've asked two friends, as well as gone over every potentialy relivent page on both gateworld.net and the SG Wikia site, and I still don't have an answer. And if there isn't a naming system in canon, is there a generally accepted on in the fandom?

(Sorry that this is my first post to the comm, but I don't have anywhere else to go. I can, however, promise that a very silly fic will follow.)