Contents: 1. Digital communications basics. p. 1 -- 2. The history of digital communications. p. 2 -- 3. Radiotelegraphy. p. 27 -- 4. Radio teletype. p. 33 -- 5. Amtor. p. 41 -- 6. Packet radio. p. 49 -- 7. Digital imaging. p. 109 -- 8. Setting up a digital communications station. p. 113 -- 9. Equipment and accesories. p. 131 -- 10. The future of digital communications. p. 151. Incluye: Referencias bibliográficas. -- Corresponde al suministro no. 33506
