
Given the following passage

"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.",

answer the following question. Note that the answer is present within the text.

Question: How different was the actual range compared to the official range? 

a good deal further
