PADI: Professional Association of Diving Instructors
BSAC: British Sub Aqua Club
DAN: Divers Alert Network
Scuba UK: List Archives
UK Diving: National Diving Information
IANTD: International Association of Nitrox & Technical Divers
TDI: Technical diving international
Ambient Pressure Diving: Inspiration closed circuit rebreather
Elite Divers: Technical diver training
Taffs Diving: Diver Training
Delta P Technology: Manufactures of the VR3 OC & CCR mixed gas decompression computer
Rebreathers Worldwide: Rebreather mods, downloads e.t.c. excellent site by Jan Willem Bech
Rebreather Website: Bob Howells website with the Inspiration ADV
