It's not going to be replaced. Congress never funded these radio telescope projects in the 1960s and 1970s for the "science". For the first couple of years the primary purpose of Aricebo was locating and intercepting Soviet radio transmissions bouncing off the atmosphere.
A huge percentage of radio astronomy equipment is just military leftovers. It's not gonna get funded for science purposes alone.
A huge percentage of radio astronomy equipment is just military leftovers. It's not gonna get funded for science purposes alone.