The RAST (Radio Amateur Society of Thailand) reports the Thai National Broadcasting & Telecommunications Commission (NBTC) has invalidated a total of 140,000 amateur radio licenses which had been expired for more than two years Prior to the NBTC's action there had been over 248,000 amateur radio licenses in Thailand of which some 247,000 were for the Basic Entry Level license which permits 100 watts on 28 MHz and 60 watts on 144 MHz. A reason for so few upgrading is because  of the lack of exam sessions. No exams were held to upgrade to Intermediate between 2004 and 2012.