🟥SUBJECT: FINDING CHRONOMETER ERROR To get the chronometer error onboard the ship, you first need a reliable reference time, such as the UTC time from a GPS, NAVTEX or Radio signal (MF/HF) sample frequencies of 10000khz or 15000kh) Once you have that, observe the exact moment the UTC time hits a round second (like 08:00:00 UTC). At that exact moment, check the time displayed on the ship’s chronometer. Then, subtract the UTC time from the chronometer time. If the chronometer shows a later time t