nostr:npub1k4qmle0sq0u0fwfz8l7zr85j3ag07z0v3lzj7xrkz5v6sfxdd00ss73lsq nostr:npub19qn6pgk9hs2mg89zg4aujz06meuhmnl9ggapadqkee2vc66dtl2sq46760 8 out of the 13 international airports in Canada seem to have 1 to 2 letters from the location initials/name in them so it's not TOTALLY random: YYC, YEG, YFC, YHZ, YOW, YQB, YVR, YWG for Calgary, Edmonton, Fredericton, Halifax, Ottawa, Quebec City, Vancouver, Winnipeg.