Canadian Aerophilatelic Society (RPSC Chapter 187) , Ottawa, CA, K1H 7X7 The CAS meets annually at ORAPEX, held at the RA Centre on 2451 Riverside Dr., in Ottawa, Ont. For further information, contact CAS Secretary/Treasurer Brian Wolfenden. Name: Brian WolfendenPhone Number: 6132262045Email: bjnepean@trytel.comWeb: http://www.aerophilately.ca