Explanation

The sounders aboard low earth orbit (LEO) satellites provide numerical weather prediction (NWP) centers with essential observational information for generating atmospheric analysis fields. The Direct Broadcast Network (DBNet) is an operational arrangement under the World Meteorological Organization (WMO) that provides NWP centers with data received at direct readout stations within 30 minutes of observation.
This page presents the operational information on JMA as a direct readout station, and outlines the status of all Asia-Pacific DBNet data collected in Tokyo via the Global Telecommunication System (GTS) regarding navigation, calibration and timeliness.
Operational Information
Events
Jun. 17th, 2025
JMA stopped the dissemination of direct readout data from NOAA-18 and -19.
Mar. 5th, 2024
"TBB Monitor" is available.