This document contains the standards governing TV broadcasting systems. The standards ensure satisfactory monochrome and colour television broadcasting services based on the 525-line NTSC colour system. The system is known as NTSC/M  

• Year of Declaration: 2001
• Reference: BETS 3, Issue 2, December, 1997
• Number of Pages: 26
• Code: GYS 198
• Version:
• ICS Number: 33.170