Topic: POES EL: JD 121 Daily Report


Date/Time Issued: May 02, 2025 0631Z


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: JD 121 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
51
42
17
17
17
3
42
3
3

Pass Statistics
98%
0%
2%
Pass Counts
41
0
1
42
6
0
0
Operator Actions/ Intervention
Success
Failed
Marginal
GAC Rcvd
TSF Rcvd
Intervent'n Required
On Call Support Needed
GAC Start - Stop (UTC)


Marginal Contacts
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-15
HRPT Downlink Only
On Console
String 2
Operator
4
25338
Raven-1
25121
5/1/2025
15:19
5/1/2025
15:33
40284.3
34.61
Marginal (HRPT received, Partial GAC received)
Antenna was tracking vehicle during GAC, but lost frames a quarter way through the downlink. Could not re-establish a connection to sync onto GAC. HRPT was established after GAC was finished. Operators reset modem after contact and reached out to Parsons's team to monitor the 17:14z contact. 

Missed/Partial  GAC:
Vehicle 
IRON
Rev Number
GAC Rcvd
GAC Start - Stop (UTC)
NOAA-15
25338
40284.3
Partial
121-13:15:47-121-15:21:57 (2B)

ROOST/PAK1/PAK4 TFE
Vehicle 
IRON
Site
Julian Day
Rev Number
GAC Rcvd
TSF Rcvd
NOAA-15
25338
PAK4
25121
40277.1
#N/A
Yes
NOAA-15
25338
PAK1
25121
40278.1
#N/A
Yes
NOAA-15
25338
Raven-1
25121
40284.3
Partial
#N/A
NOAA-19
33591
Raven-1
25121
83661.3
Yes
#N/A
NOAA-19
33591
PAK1
25121
83662.2
#N/A
Yes
NOAA-18
28654
Raven-1
25121
2826.3
Yes
#N/A
NOAA-18
28654
PAK4
25121
2827.2
#N/A
Yes
NOAA-18
28654
PAK1
25121
2828.2
#N/A
Yes
NOAA-19
33591
PAK4
25121
83665.2
#N/A
Yes