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Hello,

Can you provide us with more information?

1.) How often are you running the sdr_luts.sh command and when are you executing it?
2). Who is executing the SDR software and sdr_luts.sh script? A single user, or multiple users?
3). How often does the sdr_luts.sh script successfully execute, and ...

Topic: NOAA-20 Risk Mitigation Maneuver (RMM)

Date/Time Issued: June 17, 2025 14:09 UTC

Product(s) or Data Impacted: All NOAA-20 Sensor Data

Date/Time of Initial Impact: June 17, 2025 17:57:30 UTC

Date/Time of Expected End: June 17 ,2025 19:00:40 UTC

Length of Outage: See Details ...

The JPSS satellites are scheduled to perform calibration maneuvers on 7 May 2025 which will impact direct broadcast availability. Details for each mission is below.
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Topic: NOAA ...

S-NPP VIIRS All Bands Enabled on April 28, 2025- Issued: April 22, 2025 1959Z

Topic: S-NPP VIIRS All Bands Enabled on April 28, 2025

Date/Time Issued: April 22, 2025 1959Z

Product(s) or Data Impacted: All S-NPP VIIRS products

Date/Time of Initial Impact: April 28, 2025 11:37:13Z

Date ...

Topic: NOAA-21 Drag Make-Up Maneuver (DMU) 008 Scheduled for April 23, 2025

Date/Time Issued: April 21,2025 1923Z

Product(s) or Data Impacted: All NOAA-21 Sensor Data

Date/Time of Initial Impact: April 23, 2025 16:07:25Z

Date/Time of Expected End: April 23, 2025 16:48:12Z

Details ...

NOAA-21 VIIRS Blackbody Warm-up/Cool-down Mar 25-27, 2025

An onboard blackbody warm-up/cool-down test will be conducted for NOAA-21 VIIRS thermal emissive bands calibration on March 25-27, 2025.
The following sequence of the blackbody (BB) temperature setpoints will be applied:

2025-03-25 06:00 ...

Dear Colleagues,

The Cooperative Institute for Meteorological Satellite Studies (CIMSS) at the University of Wisconsin-Madison is pleased to announce a release of the Community Satellite Processing Package (CSPP) VIIRS Environmental Data Record (EDR) science software in support of the NOAA-21, NOAA ...

We believe the problems that you are experiencing are because you are executing the software on computers with CentOS 7.9 as your operating system.

The System Requirements are described in Section 1.3 of the CSPP SDR Version 4.1 Installation Guide:
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1.3 System Requirements ...

Hello. Sorry that you are having difficulties. Can you please provide us with more information?

- Computer hardware specifications, including memory and hard drive space.
- Operating system name and version number for Computer A and B.
- Do you have write permissions in the directories that you are ...

Starting on March 2, 2025 at 18:00 UTC, the NOAA-21 CrIS instrument laser wavelength directly readout from the SDR products has
been set at as the predefined filled value (670nm, 1550 nm, 2320 nm) since around 18:00 of 2025-03-02, resulting in large bias of radiance produces of all three bands. The ...