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.
For the standard-definition video mode referred to as PAL or PAL/SECAM, see 576i. For other uses, see PAL (disambiguation). Television encoding systems by nation; countries now using (and once using) the PAL system are shown in blue.