Sheppard Cares. Sheppard AFB provides a wide variety of services to support Airmen and their families. To learn what's happening this month, check out the Sheppard Community Board. To quickly find and register for classes available on base, click the Leadership Pathways logo to the right.
NTSC stands for National Television Standards Committee. PAL stands for Phase Alternating Line. NTSC is the standard broadcast format in the United States, while PAL is the standard broadcast format in Europe, Australia, and parts of Asia.
What is the frequency range of video signals? Video signals have a wide range of data rates and frequencies. Analog standard definition signals such as PAL and NTSC are int he region of 5 - 6MHz for composite signals. Coâ¦mponent signals for standard definition can be somewhat higher at 12 - 15MHz.