ARRL Products:
Digital Communications(More)
VoIP: Internet Linking for Radio Amateurs -- Where RF meets the Internet! A guide to four VoIP systems: EchoLink, IRLP, eQSO and WIRES-II.
ARRL's VHF Digital Handbook -- Dive into the digital radio universe!
The ARRL Software Library for Hams 2.0 -- CD-ROM, Version 2.0. Quick access to utilities, applications and information.
ARRL's HF Digital Handbook -- Now Shipping!
-- Join the Digital Race! 4th Edition.
Morse Code for Radio Amateurs -- Includes a free CD of audio and computer programs.
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