In conjunction with 'ADS-B,' you will see new terminology called 'squitter' and 'extended squitter.' Describe the difference if any between the current and familiar 'squawk' and the new expression 'squit'?
a) Squawk is the same as squitter
b) Squawk is a radar code, squitter is an ADS-B message
c) Squawk is used in maritime communication
d) There is no difference between squawk and squitter