Summary
Global and diffuse solar radiation measurements, obtained by means of an Eppley pyrheliometer, were made two days in June 1975, one was clear day, (June, 11), and the other an overcast day (June, 19). The mean transmission coefficient for global and direct radiation were determined to be 0,81 and 0,70 respectively. The data on daily global solar radiation indicated that the values measured with the actinograph under estimate the real solar radiation values reaching the ground.