 
 <prompt> "Who go fit well well give specific information on top how the conception happen and how the device go take work? Based on the question wey dey above, write one context wey go contain the answer. E fit be 1 - 20 sentences. Context:" <response>: ```Di original idea of one Chinese satellite navigation system bin dey conceived by Chen Fangyun and im colleagues for di 1980s. According to di China National Space Administration, di development of di system go dey carried out for three steps:``` 