Spectral overview 45 MHz - 870 MHz via log-per antenna. 1st and 2nd light at TSAO, type III-burst Oleg Contarev in TSAO control-room at Callisto system 12m dish at TSAO to observe 10.7 cm and 27.8 cm solar radio flux. TSAO is at 2740 m in Tan Shan mountains. The log-per made of titanium profiles (!) is mounted at the lower rim of the dish.