MRC:
Characteristics or qualities of an item,not covered in any other requirement,which are considered essential information for one or more functions excluding nsn assignment.SUPP
Supplementary Features:
Colloquial name is df antenna assembly, nha p/n 164100, comprised of elements, spinning direction finding antenna, pedestal, operational modes, omni antenna provides 360 degree field of view, high sensitivity spinngin directionfinder for line of bearing measurements of emitters, pedestal operates in the following modes manual point 0 to 359.9 degrees, sector scan 6 to 60 degrees per sec, spin mode 0 to 200 rpm, 1 rpm steps, radome covers spinning df portion of antenna, predicted radome loss 0.3 to 2.0 decibel typical over entire frequency range