Software has been used to acquire targets for a long time. This excerpt on the F14 shows the original radar had a "single target track - auto acquisition" mode:

Software has been used to acquire targets for a long time. This excerpt on the F14 shows the original radar had a "single target track - auto acquisition" mode: https://books.google.com/books?id=knvVwLX6mFMC&pg=PA245&lpg=PA245&dq=awg-9+evaluate+threat&source=bl&ots=RhkjgwMSnj&sig=tiy1dMOZCvsQRzvyTY0LqlxfQ3w&hl=en&sa=X&ved=0ahUKEwjxp67_g4jTAhWDyyYKHc7zAM0Q6AEIIzAB#v=onepage&q=awg-9%20evaluate%20threat&f=false https://books.google.com/books?id=knvVwLX6mFMC&pg=PA245&lpg=...