Volume 2 (NP282) - Radio Aids to Navigation, Differential GPS (DGPS), Legal Time, Radio Time Signals and Electronic Position Fixing System (Parts 1 & 2) Split across two publications NP282(1) and NP282(2), Volume 2 includes radio details for: Listing of VHF Radio Direction-Finding StationsRadar Beacons (Racons and Ramarks)Known operational Automatic Identification System (AIS)Aids to Navigation (AtoN)Radio beacons transmitting DGPS correctionsInternational Standard and Daylight Saving Times and DatesInternational Radio Time Signal Broadcast details