Vaisala Group, a Helsinki-based technology company, installed a PC-based Runway Visual Range (RVR) System at the Wilkes-Barre/Scranton airport in Pennsylvania. The RVR installation consists of two visibility sensor sites at each end of the main runway and a data processing unit installation at the air traffic control tower equipment room. Five Controller Displays will be installed at various airport locations to monitor the RVR data. The company said the system incorporates visibility and other sensors to provide an accurate picture of runway visual range-an estimation of the distance a pilot can see down a runway. The information, the company said, provided by the RVR system eases the workload of air traffic control, and allows an efficient flow of air traffic in poor visibility. FAA will use this system to conduct further product testing in an operational environment until spring of 2008.