"LAT Burst Closeout Alert Telemetry" (APP/LPA)

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Focus:	Maintenance / Operation
Structures:	Abstract / Concrete

Context:

Description:

The LAT shall provide this Alert Telemetry to the SC when it closes its burst processing for the specified burst. No more than one of these Closeout Records shall be generated per burst ID.

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LAT Burst Closeout Alert Telemetry (ALRTCLOSE) Telemetry Packet Format
0x	0	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15
000	Version=0			T=0	SH	APID=0x343
002	SF		Sequence Count
004	Packet Length=81
006	Timestamp
00E	RECINFO info
010	TSEC dcl_sec
014	TUSEC dcl_usec
018	BCLASS bclass
01C	BSIG temporal
01E	BSIG spatial
020	BRA ra
022	BDEC dec
024	BERR err
026	GCNT loc_cnt
028	TSEC ep_sec
02C	TUSEC ep_usec
030	TSEC lp_sec
034	TUSEC lp_usec
038	GCNT gam_cnt[0-3]
040	BQUAT quaternion[0-3]
048	TRGPRM trg_prm[0-7]

ALRTCLOSE (pkt)
|  RECINFO info (bf)
|  |  RECVER ver (0-3)
|  |  RECTYP typ (4-7)
|  |  RECSEQ seq (8-15)
|  TSEC dcl_sec (fld)
|  TUSEC dcl_usec (fld)
|  BCLASS bclass (bf)
|  |  BRSVD rsvd (0-11)
|  |  BCNF confirmed (12)
|  |  BTYPE type (13)
|  |  BMETH method (14-15)
|  |  BSIZE size (16-31)
|  BSIG temporal (fld) ... spatial (fld)
|  BRA ra (fld)
|  BDEC dec (fld)
|  BERR err (fld)
|  GCNT loc_cnt (fld)
|  TSEC ep_sec (fld)
|  TUSEC ep_usec (fld)
|  TSEC lp_sec (fld)
|  TUSEC lp_usec (fld)
|  GCNT gam_cnt[0-3] (fld)
|  BQUAT quaternion[0-3] (fld)
|  TRGPRM trg_prm[0-7] (fld)

typedef struct _LPA_ALRTCLOSE_Tlm {

    /* Telemetry header */
    char                 hdr[14];

    /* Record Info */
    LPA_RECINFO          info;

    /* Time Seconds */
    unsigned int         dcl_sec;

    /* Time Microseconds */
    unsigned int         dcl_usec;

    /* Burst Classification */
    LPA_BCLASS           bclass;

    /* Burst Significance */
    unsigned short       temporal;

    /* Burst Significance */
    unsigned short       spatial;

    /* Burst Location RA */
    unsigned short       ra;

    /* Burst Location DEC */
    short                dec;

    /* Burst Error in Arcmin */
    unsigned short       err;

    /* Gamma Counts */
    unsigned short       loc_cnt;

    /* Time Seconds */
    unsigned int         ep_sec;

    /* Time Microseconds */
    unsigned int         ep_usec;

    /* Time Seconds */
    unsigned int         lp_sec;

    /* Time Microseconds */
    unsigned int         lp_usec;

    /* Gamma Counts */
    unsigned short       gam_cnt[4];

    /* Burst Quaternion */
    unsigned short       quaternion[4];

    /* Trigger Parameter */
    unsigned short       trg_prm[8];

} LPA_ALRTCLOSE_Tlm;

Fields:

BCLASS (index)

Attribute(s):  

Brief:  "Burst Classification"

Instance(s):  bclass

GRB Burst classification.

BDEC (index)

Attribute(s):  

Brief:  "Burst Location DEC"

Instance(s):  dec

BERR (index)

Attribute(s):  

Brief:  "Burst Error in Arcmin"

Instance(s):  err

BQUAT (index)

Attribute(s):  

Brief:  "Burst Quaternion"

Instance(s):  quaternion

BRA (index)

Attribute(s):  

Brief:  "Burst Location RA"

Instance(s):  ra

BSIG (index)

Attribute(s):  

Brief:  "Burst Significance"

Instance(s):  spatial, temporal

GCNT (index)

Attribute(s):  

Brief:  "Gamma Counts"

Instance(s):  gam_cnt, loc_cnt

RECINFO (index)

Attribute(s):  

Brief:  "Record Info"

Instance(s):  info

TRGPRM (index)

Attribute(s):  

Brief:  "Trigger Parameter"

Instance(s):  trg_prm

TSEC (index)

Attribute(s):  

Brief:  "Time Seconds"

Instance(s):  dcl_sec, ep_sec, lp_sec

TUSEC (index)

Attribute(s):  

Brief:  "Time Microseconds"

Instance(s):  dcl_usec, ep_usec, lp_usec