Chart correction 4770 — chart 592
Chart 592 [ previous update 1071/23 ] NAD83 DATUM Insert the accompanying note, AUTOMATIC IDENTIFICATION SYSTEMS, centred on: 37° 30´·83N., 122° 19´·58W.
Source: UKHO Admiralty Notices to Mariners
Reference information — always verify against official Notices to Mariners before navigation.