Field Name Length (bits) Bit Contents Description
Item Total Algn Off
stopDea 4848 16 0 command Packet Stop a DEA Housekeeping Run (see table 69, swreq Rev. I)
  header 4848 16 0 command Header Command Packet Header
    commandLength 1616 16 0 uint16 = 3 Number of 16-bit words in the command packet
    commandIdentifier 1616 16 16 uint16 Used by ground to identify the command
    commandOpcode 1616 16 32 uint16 = 20 Command Operation code which determines format and action of the command [see enum CmdOpcode]: CMDOP_STOP_DEA