T1B08 (A) [97.303]
How are US amateurs restricted in segments of bands where the Amateur Radio Service is secondary?
A. U.S. amateurs may find non-amateur stations in those segments, and must avoid interfering with them
B. U.S. amateurs must give foreign amateur stations priority in those segments
C. International communications are not permitted in those segments
D. Digital transmissions are not permitted in those segments
