ARRL Products:
Digital Communications(More)
Digital Signal Processing Technology -- Essentials of the Communications Revolution. An understandable presentation and reference on DSP in contemporary communications technology.
ARRL's HF Digital Handbook -- Join the Digital Race! 4th Edition.
VoIP: Internet Linking for Radio Amateurs -- Your complete guide to the most widely-used VoIP systems used by hams: EchoLink ,IRLP, eQSO and WIRES-II.
The ARRL Software Library for Hams 3.0 -- CD-ROM, Version 3.0. Quick access to utilities, applications and information.
Digital Communication Systems Using SystemVue -- An essential guide for anyone wishing to understand digital communication systems through simulations using SystemVue.
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