Iridium tracking system. The following is a glossary of terms used throughout the website. Agent Works on behalf of a Service Provider as a sales "agent" who simply secures larger deals for the SP. Agents do not inventory or sell equipment, but transfer subscribers to the SP to activate and bill and provide support to an end user (aka. subscriber) for network service. Typically, a one-time commission is paid per activation. Antenna Beam The radio frequency energy pattern emitted by an antenna. Accounts Payable Accounts Receivable Arbitraged Rate A weighted average rate determined by multiplying the projected call volumes in minutes, by country or region where the Iridium program has roaming agreements and by the per minute Serving Carrier Rate.
AuC Authentication Center. Authentication The verification process used in both GSM and IS-41 networks during the call setup to identify and verify a subscriber's identity. Authenticator Average Revenue Per Unit (ARPU) One indicator of a wireless business' operating performance. Ki. ORBCOMM. Cospas-Sarsat. Argos. CLS.