The NavIC receiver is similar to the GPS receiver, but operates in LS frequency, allocated to the Indian Regional Navigation Satellite System (IRNSS). The IRNSS satellites, in addition to providing timing signals for determination of NAVIC user's position, also transmit 'Emergency Messages' received from ISRO ground stations, to all the IRNSS receivers. These emergency messages, are targeted to different user groups , who receive "alerts" with warning messages from the NavIC satellites The Navic Messaging Receiver (NMR), can be very effective for fishermen, not only to identify their own position, but also to guide them to potential fishing zones, to give warnings in case of natural calamities and to give alerts if crossing international boarders, unintentionally.