Initially, the station's range was officially a 40 kilometres radius of the Alexandra Palace transmitter—in practice, however, transmissions could be picked up a good deal further away, and on one occasion in 1938 were picked up by engineers at RCA in New York, who were experimenting with a British television set.
What was 40 kilometers away from the Alexandra Palace transmitter?
{'text': "the station's range", 'answer_start': 11}