Using simple and clear-cut explanations, the author, Bernie, N6FN explains how D-STAR repeater systems are configured and intercommunicate over the Internet. This book will teach you how to program your radio to take advantage of call routing and linking within your local repeater system and through Internet gateways to anywhere in the world.DV short text messaging via the radio and low-speed text data transmissions using a PC and the d*Chat and D-RATS digital data communications programs is explained. Using the DV Dongle for accessing the worldwide D-STAR gateway system without having to use a radio is made clear. Web based resources for calculating call sign routing parameters and finding active D-STAR repeaters and recently heard stations are covered in detail.By far, this is the book to have for active D-STAR operators and those interested in trying the technology. Experience the thrill of worldwide digital communications!