The satellite known for its exceptional timing capabilities, capable of recording measurements to 1000th of a second, is GSAT - 6. This satellite is part of India's efforts to advance its space technology and communications infrastructure. The GSAT series focuses primarily on providing satellite-based services, and GSAT-6's sophisticated payload features ensure precise data collection and transmission, enhancing overall mission accuracy for various applications.
Find the missing code:
L1#1O2~2, J2#2Q3~3, _______, F4#4U5~5, D5#5W6~6
Find the missing number in the table.