is transferred through hardline and radio frequency links.
Operates in the S-band portion of the RF spectrum of 1,700 to 2,300
Used only when the orbiter is on orbit.
Ku-Band system includes a rendezvous radar that skin-tracks satellites
and other rendezvous targets.
Used to transfer information between orbiter and its payloads.
Used as a backup fro S-Band PM and Ku-Band voice communications,
primarily for EVAs.
Interfaces with caution/warning system, UHF, S-Band, Ku-Band,
and tacan systems.