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ARTS III Radar Scope With Alphanumeric Data
A number of radar terminals do not have ARTS equipment. Those facilities and certain ARTCCs outside the contiguous U.S.
would have radar displays similar to the lower right hand subset. ARTS facilities and NAS Stage A ARTCCs, when operating
in the nonautomation mode, would also have similar displays and certain services based on automation may not be
Surveillance Systems 4-5-3