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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.

Digital Communication Systems Using SystemVue -- An essential guide for anyone wishing to understand digital communication systems through simulations using SystemVue.

Nifty E-Z Guide to PSK31 Operation -- A complete guide for implementing PSK31!

Nifty E-Z Guide to D-STAR Operation -- Now Shipping! -- The first comprehensive reference to the world of D-STAR operation!

ARRL's VHF Digital Handbook -- Dive into the digital radio universe!

FCC Enforcement Letters

Ohio

Gahanna

January 28, 2004: Letter to American Electric Power Company requesting investigation of radio frequency interference to Amateur licensees in Columbus and Galena.


Page last modified: 02:32 PM, 23 Feb 2004 ET
Page author: tis@arrl.org
Copyright © 2004, American Radio Relay League, Inc. All Rights Reserved.