Question
How are US amateurs restricted in segments of bands where the Amateur Radio Service is secondary?
Answer Options
- 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
Correct Answer: A
Explanation
When the Amateur Radio Service has a secondary allocation in a frequency segment, it means that another service (the primary user) has priority. The FCC rule is clear: amateur operators must be prepared to accept interference from the primary users and, more importantly, must not cause interference to those primary users.
This is a critical rule that requires hams to monitor carefully and adjust their operations if they detect a primary user. If a segment is primary to amateurs, then the situation is reversed, and other services must protect amateur operation.
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