Aspartate aminotransferase (AST) and alanine aminotransferase (ALT) are two liver enzymes measured in a blood test to check the health of your liver. High AST and ALT levels are a general sign of ...

A second ALT blood test, especially if results are abnormally low Other blood tests, including those assessing liver health, such as aspartate aminotransferase (AST) or bilirubin levels Ultrasound ...

The special temporary authorization from the FCC means AST SpaceMobile can start beaming communications from its BlueBird satellites, which it launched in September.

The launch of these "BlueBird" satellites operated by AST SpaceMobile follows a successful testing campaign using "BlueWalker" test satellites (already in orbit) to validate the technology.