Ground-Based GNSS-based Upper Atmospheric Realtime Disaster Information and Alert Network (GUARDIAN) GPS daily accumulated real-time Precise Orbit Determination (POD) Clock Corrections (1-second sampling, 24-hour files) from NASA CDDIS

This product contains a high-rate time series of clock biases for healthy satellites in the GPS constellation that are accumulated every minute throughout the day. In addition, formal 1-sigma uncertainties for the corrections are provided. The product is generated at JPL's Global Differential GPS Operations Centers in real-time. The data in this product can be concatenated with other daily products to provide larger coverage in time.

Data and Resources

Additional Info

Field Value
Maintainer Earthdata Forum
Last Updated August 25, 2026, 07:47 (UTC)
Created August 21, 2025, 18:20 (UTC)
accessLevel public
bureauCode {026:00}
catalog_conformsTo https://project-open-data.cio.gov/v1.1/schema
harvest_object_id 33a521b0-3570-4a38-98b1-d024993ea0b0
harvest_source_id b99e41c6-fe79-4c19-bbc3-9b6c8111bfac
harvest_source_title Science Discovery Engine
identifier 10.5067/GNSS/GDGPS_daily_acc_POD_1sec_clk_corr_gps_001
license https://www.usa.gov/government-works
modified 2026-08-17T22:15:59Z
programCode {026:000}
publisher CDDIS
resource-type Dataset
source_datajson_identifier true
source_hash 671dc3c3352cdac8c09668b5c95651dfc4dadb83d851aa1c8cc44ce2b081455f
source_schema_version 1.1
spatial ["CARTESIAN", [{"NorthBoundingCoordinate": 90, "WestBoundingCoordinate": -180, "EastBoundingCoordinate": 180, "SouthBoundingCoordinate": -90}]]
temporal 2023-10-01/2026-08-17
theme {"Earth Science"}