| Field Name | 
Length (bits) | 
Bit | 
Contents | 
Description | 
| Item | 
Total | 
Algn | 
Off | 
| exposureTeFaint | 
576 | 576 | 
32 | 
0 | 
telemetry Packet | 
Exposure Record, Timed Exposure, Faint and Graded Mode (see table 21, swreq Rev. I) | 
  exposureInfo | 
576 | 576 | 
32 | 
0 | 
exposure Event | 
Telemetry Packet Header: | 
    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 = 18 | 
This field indicates the total number of 32-bit words in the telemetry packet | 
      formatTag | 
6 | 6 | 
1 | 
42 | 
uint6 = 20, 24, 47, 56 | 
This field identifies the content of the telemetry packet [see enum TlmFormatTag]: TTAG_SCI_TE_REC_FAINT (20) TTAG_SCI_TE_REC_GRADED (24) TTAG_SCI_TE_REC_FAINT_5x5 (47) TTAG_SCI_TE_REC_CTI1 (56) | 
      sequenceNumber | 
16 | 16 | 
1 | 
48 | 
uint16 | 
This field is the sequence number of the telemetry packet | 
    runStartTime | 
32 | 32 | 
32 | 
64 | 
uint32 | 
Science timestamp counter value at start of science run | 
    parameterBlockId | 
32 | 32 | 
32 | 
96 | 
uint32 | 
Parameter Block's Identifier field | 
    windowBlockId | 
32 | 32 | 
32 | 
128 | 
uint32 | 
Window List Parameter Block's Identifier field (0xffffffff if none used) | 
    biasStartTime | 
32 | 32 | 
32 | 
160 | 
uint32 | 
Science timestamp counter value at start of bias computation | 
    biasParameterId | 
32 | 32 | 
32 | 
192 | 
uint32 | 
Parameter Block Identifier from most recent bias computation | 
    ccdId | 
4 | 4 | 
1 | 
224 | 
uint4 | 
Identify which CCD produced the data [see enum CcdId] | 
    fepId | 
3 | 3 | 
1 | 
228 | 
uint3 | 
Identify which FEP processed the data [see enum FepId] | 
    fepTimestamp | 
25 | 25 | 
32 | 
256 | 
uint25 | 
Fep Timestamp when FEP received Beginning of Frame mark | 
    exposureNumber | 
32 | 32 | 
32 | 
288 | 
uint32 | 
Exposure Number since start of run (of the data just received) | 
    eventsSent | 
32 | 32 | 
32 | 
320 | 
uint32 | 
Number of events telemetered in preceding set of data records | 
    thresholdPixels | 
32 | 32 | 
32 | 
352 | 
uint32 | 
Number of pixels detected above their respective threshold levels | 
    discardEventAmplitude | 
32 | 32 | 
32 | 
384 | 
uint32 | 
Number of events discarded due to their corrected amplitude | 
    discardWindow | 
32 | 32 | 
32 | 
416 | 
uint32 | 
Number of events discarded due to their CCD position | 
    discardGrade | 
32 | 32 | 
32 | 
448 | 
uint32 | 
Number of events discarded due to their Grade Code | 
    deltaOverclocks[4] | 
16 | 64 | 
16 | 
480 | 
int16 | 
Output node Delta Overclock values used for the completed exposure (delta = (exposure overclock) - (initial overclock)) (NOTE: In Full/Diag modes, the nodes are indexed as follows [A, B, C, D]. In AC mode, the nodes are [A, C, x, x]. In BD mode, the nodes are [B, D, x, x]. | 
    biasParityErrors | 
32 | 32 | 
32 | 
544 | 
uint32 | 
Total number of pixel bias errors so far in the run |