This is a sole source solicitation for the purchase of two specific antennas for U.S. Coast Guard C27J aircraft, with an anticipated award to CHELTON, INC. All items must have clear, documented traceability to the OEM, CHELTON, INC., and the contractor must provide a Certificate of Conformance. Quotations must use F.O.B. Destination or F.O.B. Origin shipping terms; other terms like Ex Works are not accepted. The performance location is not specified. No budget information is provided.