UrsaNav - Model UN-2200 - Differential Loran Reference Station (DLoran Refsta) Site System

The UN-2200 Differential eLoran Monitor Rack is a complete system including 3 UN-154 Differential eLoran RSIM (RS, IM, & Hot Standby), site server, Keyboard, video display, mouse (KVM), managed network switch, power distribution unit, and 3 eLoran antennas. The rack system is intended to communicate directly to both multiple transmit sites and multiple control and monitor sites dependent upon system configuration. The UN-2200 permits Differential eLoran correction generation, Message formatting and communication with eLoran transmitters, Integrity Monitoring, On-site status and alarm monitoring and control, On-site data storage, Self-diagnosis ,Redundancy and automatic switch-over, and User interface.