The course aim to the persons who are already working as Observers/ Met Technicians, so that they can have a better insight through observations, experiments and analytical scientific methods. Coding, decoding and Preparation of SYNOP and METAR, SPECI reports. Emphasis is given for the maintenance and calibration of surface met instruments. Besides the observation and instruments part, the course is oriented towards lessons on introduction to atmosphere, basic meteorology, aviation messages and basics of satellite picture interpretation