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Five volunteers, five call signs, and a carefully timed county emergency exercise.

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Five adult amateur-radio volunteers operate tabletop radios, microphones, and message logs inside a warm, well-organized county emergency operations room during a daytime training drill.

The Story

The Emergency Radio Drill

During a countywide emergency exercise, five amateur-radio volunteers staffed separate stations at the emergency operations center. Each volunteer used a different call sign, relayed a different practice message, and transmitted at a different time. Use the clues to determine each volunteer’s call sign, message type, and transmission time.

Tap a cell to cycle: blank → × → ✓ → blank.

First tap eliminates, second tap confirms a match, and third tap clears it.

Tap any 5×5 block to enlarge it.

Created by Bret Bordwell ·

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A Little Nudge

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