Magnetron, SVCE (MWD-2,MD-24,MD-30)
 MD30PE/S Use Prior to Serial #12740230
          Starting With #12740230 See 828794
 MD30TE/S Use Prior To Serial #12710229
          Starting With #12710229 See 828794
 MD24TE/S Use Prior To Serial #12955659
          Starting With #12955659 See 828794