Topic: POES ELJD 077 Daily Report


Date/Time Issued: March 19, 2025 1400Z


Product or Data Impacted: NOAA L1b GAC Data


Date/Time of Initial Impact: See details below


Date/Time of Expected End: See details below


Details/Specifics: JD 077 Daily Report 



INVESTIGATE
Plan vs. Actual Check
Spacecraft Pass Plan
Antenna Site Schedule
Total Planned
Total Taken
NOAA-15
NOAA-18
NOAA-19
ROOST
SVL
PAK1
PAK4
54
42
18
18
18
6
42
0
6

Pass Statistics
98%
0%
2%
Pass Counts
41
0
1
40
12
1
0
Operator Actions/ Intervention
Success
Failed
Marginal
GAC Rcvd
TSF Rcvd
Intervent'n Required
On Call Support Needed
GAC Start - Stop (UTC)

Summary of Marginal Passes
Vehicle Pass PlanPass TypeLoad NotesOperator
Workstation
IRONSiteJulian DayDateAOS (UTC)DateLOS (UTC)Rev NumberMax El (deg)Pass ResultOperator Actions/ Intervention
NOAA-18
HRPT Downlink Only
On Console
String 1

GAC Play 1B: 18:18:12z
Operator
5
28654
Raven-1
25077
3/18/2025
18:17
3/18/2025
18:30
2204.3
85.76
Marginal (HRPT received, GAC not received)Did not receive GAC downlink, only HRPT was received. Recorder 1B was stopped per SCT, but GAC did not play down. N18's SCT showed that Recorder 1B was selected to record and play down at the appropriate timestamp. 

Summary of Missed/Partial GAC
Vehicle Load NotesIRONRev NumberGAC Start - Stop (UTC)
NOAA-18
String 1

GAC Play 1B: 18:18:12z
28654
2204.3
077-16:10:41 - 077-18:18:02 (1B)

TSF
Vehicle Load NotesIRONRev Number
TSF Rcvd
NOAA-15
String 2
25338
39649
Yes
NOAA-19
String 3
33591
83032
Yes
NOAA-18
String 1
28654
2197
Yes
NOAA-15
String 2

GAC Play 4A: 14:32:25z
25338
39656.3
Yes
NOAA-19
String 3
33591
83039.3
Yes
NOAA-18
String 1

GAC Play 1B: 18:18:12z
28654
2204.3
Yes


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