An item that is used to determine by comparison, the accuracy of an indicator, standing wave ratio.
NSN 5998-01-371-8707
NSN 5965-00-518-0958
NSN 5990-00-736-8778
NSN 2925-01-614-3634
NSN 5925-00-475-2648
NSN 5996-01-262-8953
NSN 6620-01-415-5803
NSN 6135-01-238-2878
NSN 6150-01-155-4200
NSN 6685-01-443-8095
NSN 5950-01-649-5522
NSN 5930-01-141-7018