What’s your call sign?

HOLLYN JOHNSON/Tribune-Herald Siblings Garret, 9, and Charlotte Hodge, 6, visitors from Orange County, Calif., use a ham radio station June 23 during the Big Island Amateur Radio Club's Field Day at Reed's Bay Hotel in Hilo.
HOLLYN JOHNSON/Tribune-Herald Robert Oliver, left, and Eddie Talaro use a ham radio station during the Big Island Amateur Radio Club's Field Day on June 23 at Reed's Bay Hotel in Hilo.

Robert Oliver, left, and Eddie Talaro use a ham radio station during the Big Island Amateur Radio Club’s Field Day on June 23 at Reed’s Bay Hotel in Hilo.