ARRL Products:
Digital Communications(More)
The ARRL Software Library for Hams 3.0 -- Now Shipping!
-- CD-ROM, Version 3.0. Quick access to utilities, applications and information.
Nifty E-Z Guide to D-STAR Operation -- Now Shipping!
-- The first comprehensive reference to the world of D-STAR operation!
VoIP: Internet Linking for Radio Amateurs -- Now Shipping!
-- Your complete guide to the most widely-used VoIP systems used by hams: EchoLink ,IRLP, eQSO and WIRES-II.
Nifty E-Z Guide to PSK31 Operation -- A complete guide for implementing PSK31!
ARRL's HF Digital Handbook -- Join the Digital Race! 4th Edition.
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