 The American Radio Relay League is a non-commercial membership association of amateur radio operators organized for the promotion of interest in Amateur Radio communication and experimentation, for the establishment of networks to provide communications in the event of disasters or other emergencies, for the advancement of the public welfare, for the representation of the Radio Amateur in legislative and regulatory matters.ARRL is the principal organization representing the interests of the more than 650,000 U.S. Radio Amateurs.Because of its organized emergency communications capability, ARRL's Amateur Radio Emergency Service (ARES) can be of valuable assistance in providing critical and essential communications during emergencies and disasters when normal lines of communication are disrupted.