Sailing Vessel Ad Astra, MMSI 367431840, Sat. Phone: 254-377-4837, Radio Calls: WDF2783 / N8QH. Carried aboard Sailing Vessel Ad Astra, 26 foot sloop, 1963 Pearson Ariel. Follow along online. The MapShare site shows the progress of someone tracking with an inReach satellite communicator. Read messages they have sent to MapShare. You can even reply.