Wiktionary
radio astronomer
n. A person who studies radio astronomy.
Usage examples of "radio astronomer".
A radio astronomer on a planet of another star would be able to calculate the length of the day on Earth from the times of appearance and disappearance of our signals.
Do you know how many openings there are for a second-rank radio astronomer?
A radio astronomer, like any other scientist, is interested in working on problems that have a high probability of more immediate results.
It would be akin to a radio astronomer going back to ancient Babylon to talk with a priest-astronomer.
In 1984 I was giving a talk on galactic jets at UC Los Angeles, and my host was Mark Morris, a radio astronomer.