Six hours later sender was ready to beam toward Terra. Was ugly job, vandalized mainly out of a resonance prospector used in project’s early stages. But could ride an audio signal on its radio frequency and was powerful. Stu’s nastified versions of my warnings had been taped and Harry was ready to zipsqueal them—all Terran satellites could accept high speed at sixty-to-one and had no wish to have our sender heated more seconds than necessary; eyeball watch had confirmed fears: At least two ships were in orbit around Luna.