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

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Focus:	Maintenance / Operation
Structures:	Abstract / Concrete

Context:

Description:

One LATTRIGGER Alert Telemetry packet per burst is sent to the SC for transmission to the ground.

Layout:  (show detail; help)

LAT Burst Trigger Alert Telemetry (ALRTTRG) 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=0x341
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]

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