...on 7500 kilohertz (kHz), and this time . . . 8:00 am: "KHAQQ calling Itasca we received your signals but unable to get a minimum. Please take bearing on us and answer 3105 with voice." The other radio log reports: "Amelia on again at 0800 says hears us on 7.5 megs go ahead on 7500 again."...