GL1 Computer Software Component of SkyView
The TOE is the GL1 Computer Software Component of SkyView. SkyView is a component of MASE Interface Units (MIU), which in turn is a component of NORGIL. NORGIL is the Norwegian Ground Infrastructure for Link 16. SkyView is the NORGIL C2 (Command and control) application, processing radar inputs, Link 1 and Link 16 messages.
GL1 shall ensure that it transmits only Link 1 formatted messages to the Link 1 interfaces.
GL1 shall prevent air tracks protected by the SPI (Special Processing Indicator) to be transmitted on Link 1 interfaces, unless authorized by Emergency indicator or Force Tell indicator.