041D B
 Which statement is true regarding the SART?
a) This is a performance monitor attached to at least one S-band navigational radar system.
b) This is a 9 GHz transponder capable of being received by vessel's X-band navigational radar system.
c) This is a 9 GHz transponder capable of being received by another vessel's S-band navigational radar system.
d) This is a performance monitor attached to at least one X-band navigational radar system.
