As well as websites, Internet Archive (US) offers acces to some recordings of programms broadcasted by RNW. One of them is the final transmission in English for North America, on June 29 in 2012 via shortwave.
“This is a shortwave radio recording of Radio Netherlands’ “Farewell and Thank You” broadcast in English, the final English transmission from the Bonaire relay station to North America on 6165 kHz, at 0500 utc on 29 June 2012. The receiver used for this recording was a 1956 National NC-183D, connected to a 75′ end-fed dipole located in Seattle, WA.”
‘Farewell and Thank You’ was presented by Eric Beauchemin:
> Listen to a report on the final transmission in English, made by Jonathan Marks
> Listen to the final shortwave broadcast in Dutch by RNW
> Listen to the final broadcast in Dutch by RNW