Positions quoted in this Temporary Notice reproduced below are referred to WGS84 or a compatible datum and may be plotted directly on this ENC. Some or all of the information contained in this Notice to Mariners may have been included on the ENCs affected. 1965(T)/25 COLOMBIA — Caribbean Sea Coast — Measuring instruments. Source: Colombian Notices 52(T)/25 and 82(T)/25 1. Measuring instruments have been established in the following positions: Depth Position 10m 11° 45' .9N. , 72° 48' .2W. 20m 11° 40' .0N. , 73° 02' .1W. 20m 11° 33' .9N. , 73° 10' .4W. 80m 11° 28' .0N. , 73° 20' .1W. 160m 11° 30' .0N. , 73° 24' .2W. 500m 11° 32' .0N. , 73° 26' .1W. 800m 11° 34' .0N. , 73° 34' .1W. 2. Mariners are advised to navigate with caution in the area. (WGS84 DATUM)