 
 <prompt> Wetin dem discover say don travel? Based on di last question, write one context wey contain di answer. E fit be 1 - 20 sentences. Context: <response>: Initially, di station range bin officially na 40 kilometres radius of di Alexandra Palace transmitter— but for practice, transmissions fit reach far pass dat, and one time for 1938, engineers for RCA for New York pick up di signal, dem dey experiment with British television set. 