Receivers

High sensitivity receivers operating in the 406MHz band, or at the homing frequency of 121.5MHz, can provide early warning of local beacon activations.

A 121.5MHz monitor receiver provides a low cost means of providing an alarm if any beacon is transmitting nearby.  Essential for anyone working on beacons, as a means of prevention of false alerts.  Required for shore-based maintenance under IMO Circular MSC Circ. 1039.

A 406MHz receiver linked to an antenna mounted on a tower or building, for instance, can provide an alert and identification of any beacon activated or tested within line of sight.  A location can also be provided for beacons using GPS.  Ideal for airfields, marinas and port control.