TerraStar Beam 143.5E Outage

19 April 2023


On 16/4/2023 at approximately 21:14 UTC TerraStar beam 143.5E suffered an unplanned outage resulting in an interruption to corrections delivery until 23:00 UTC 18/4/2023. During this period all other TerraStar beams (IOR, 98W, AORW, and 25E) remained operational, with a temporary power increase applied on an adjacent beam to aid APAC users near the coverage boundary.

To get the latest information on outages and TerraStar service impacts, subscribe to the TerraStar RSS Feed. Information on how to subscribe is available here: TerraStar RSS Feed


Automatic Beam Selection:

To ensure a seamless transition to the next available beam, it is recommended to set beam selection to automatic. The command for this is:


Users that have manually assigned their receiver to track 143.5E are recommended to switch to automatic beam selection.

IP Delivery for Corrections:

All TerraStar-L & TerraStar-C PRO subscriptions include IP delivery. Using an internet connected device (such as a modem or PC), a user can feed TerraStar corrections directly to the receiver without the need for an L-band connection or as a redundant method of delivery in addition to L-band.

More information on IP delivery is available here: IP Delivery for Global TerraStar Corrections