Topic: POES EL: JD 157 Daily Report


Date/Time Issued: June 06, 2025 0921Z


Product or Data Impacted: NOAA L1b GAC Data


Date/Time of Initial Impact: See details below


Date/Time of Expected End: See details below


Length of the Outage/Event: N/A


Details/Specifics: Partial GAC / Missed GAC JD 157 Daily Report 


Summary of Failed Passes:
Vehicle 
Pass Plan
Pass Type
Load Notes
Operator
Workstation
IRON
Site
Julian Day
Date
AOS (UTC)
Date
LOS (UTC)
Rev Number
Max El (deg)
Pass Result
Operator Actions/ Intervention
NOAA-18
HRPT, GAC, Encrypted CMD
Automated
String 1 Verify commanding
System
4
28654
SG185
25156
6/5/2025
4:15
6/5/2025
4:26
3312.2
9.01
Failed (HRPT not received, GAC not received, DAU Reset not verified)
Scheduling Error: Contact in conflict with SG109 schedule on String 1, resulting in a rejected pass. SG 109 was not removed on orbitxchange IRO, only on GSMP 01. Operator attempted to reschedule the contact on a different antenna, but contacts were rejected. GAC was not received

Summary of Missed / Partial GACs
Vehicle 
IRON
Rev Number
GAC Rcvd
GAC Start - Stop (UTC)
NOAA-18
28654
3310.1
Partial
 22:58:15-00:50:31 (5A)
NOAA-18
28654
3311.1
Partial
00:41:30-02:33:48 (1B)
NOAA-18
28654
3312.2
No
156-02:25:35 - 156-04:17:21 (2B)
NOAA-18
28654
3313.2
Partial
04:09:32--06:04:10  (3B)
NOAA-18
28654
3314.2
Partial
05:52:08 -07:43:43 (4B)
NOAA-19
33591
84128.1
Yes
14:36:48-05:52:08 (5A)
NOAA-15
25338
40759.1
No
16:30:43-12:46:10 (4A)


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