Field Name Length (bits) Bit Contents Description
Item Total Algn Off
startDea 6464 16 0 command Packet Start a DEA Housekeeping Run (see table 68, swreq Rev. I)
  header 4848 16 0 command Header Command Packet Header
    commandLength 1616 16 0 uint16 = 4 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 = 18 Command Operation code which determines format and action of the command [see enum CmdOpcode]: CMDOP_START_DEA
  deaBlockSlotIndex 1616 16 48 uint16 Storage slot of the parameter block to be used in the run