PROPOSER will maintain the Wilcox AN/GRN-29 Localizer only Instrument Landing System, (“ILS”), the Automated Weather Observation System III P/T, (“AWOS”) and the VHF omnidirectional range (VOR) system as a certified part of the National Airspace System (“NAS”) in accordance with the requirements of the Federal Aviation Administration (“FAA”). Additionally, the PROPOSER will maintain the following Air Traffic Control Tower equipment: a Harris Liberty Star voice switch; 10 transmitter/receiver pairs; (“Radios”) one digital altimeter; (“DASI”) one Airport Terminal Information System; (“ATIS”) three runway wind sensors; (one located near the approach of Runway 17, one located near the approach ends of Runways 35 and 03, and one located near Runway 21); all associated antennas, electronic components, and devices in accordance with FCC requirements.