 Under the terms of the license, Venus Equilateral must relay at least one message every twenty-four hours.Venus Equilateral, Inc. also owns and operates an interplanetary spaceship called the "Relay Girl" that is based at the station.Most of the stories feature Dr. Donald A. Channing, Director of Communications at Venus Equilateral; Walter Franks, Beam Control Engineer; and Arden Westland, Channing's secretary turned fiancée turned wife.