code: def locationUpdatingRequest():
      
      a = TpPd(pd=0x5)
      b = MessageType(mesType=0x8)  # 00001000
      c = LocationUpdatingTypeAndCiphKeySeqNr()
      e = LocalAreaId()
      f = MobileStationClassmark1()
      g = MobileId()
      packet = a / b / c / e / f / g
      return packet
docs: LOCATION UPDATING REQUEST Section 9.2.15