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What type of call sign contains a single letter in both the prefix and suffix?

  1. General class

  2. Special event

  3. Club station

  4. Temporary

The correct answer is: Special event

The correct answer is special event. Special event stations are often assigned unique call signs that may include a single letter in both the prefix and the suffix. These unique call signs are intended to promote events, commemorate occasions, or raise awareness for specific causes. The format for special event call signs typically allows for more creativity, resulting in distinctive combinations that can include this characteristic structure. General class and club station call signs typically follow a different format governed by the licensing rules, which do not usually feature a single letter in both the prefix and the suffix. Temporary stations usually have call signs that also conform to more standard formats and are not specifically designed to have unique combinations like special event stations.