CHART Tagged: chart This topic has 0 replies, 1 voice, and was last updated 4 years, 5 months ago by icedcappucino. Viewing 1 post (of 1 total) Author Posts 02/06/2020 at 22:17 #710 icedcappucinoModerator ★★ 2 STARContributions: 164 How do you check the reliability of Chart? – date of chart printing – inspection of source diagram – hydrographic authority carrying out the survey – check edition date – check scale of the chart – dotted lines means not thoroughly surveyed – magnetic variation Edition no./ latest corrections applied Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In