Field Name	Length (bits)		Bit		Contents	Description
	Item	Total	Algn	Off
fepReadReply	224 + 32*n		32	0	telemetry Packet	Memory read from a FEP (see table 53, swreq Rev. I)
header	64	64	32	0	telemetry Header	Telemetry Packet Header
synch	32	32	32	0	uint32 = 0x736f4166	This field delimits the start of a telemetry packet.
telemetryLength	10	10	1	32	uint10 = 7+n	This field indicates the total number of 32-bit words in the telemetry packet
formatTag	6	6	1	42	uint6 = 2	This field identifies the content of the telemetry packet [see enum TlmFormatTag]: TTAG_READ_FEP
sequenceNumber	16	16	1	48	uint16	This field is the sequence number of the telemetry packet
commandId	16	16	16	64	uint16	Command Identifier of command which initiated the read
fepId	3	3	1	80	uint3	Front End Processor Id which is being read [see enum FepId]
bepTickCounter	32	32	32	96	uint32	Back End Timer Tick interrupt counter value at start of read (1/10 sec. ticks)
requestedAddress	32	32	32	128	uint32	This is the original address requested by the Read Fep command
requestedWordCount	32	32	32	160	uint32	This is the original word count requested by the Read Fep command
readAddress	32	32	32	192	uint32	Starting Front End virtual address of data within packet
readData[pl-7]	32	32*n	32	224	uint32	Array of read 32-bit words read from FEP memory

Definition of variables

n	the dimension of the readData array [pl-7]
pl	the value of the telemetryLength field