Radiopoll 1973 (zomer) in het Engelse blad Record (and Radio) Mirror.
Met RNI op nummer 1 :-) en BBC Radio One pas op nummer 4.
Zie voorpagina en pagina 8.
https://www.americanradiohistory.com/Archive-Record-Mirror/70s/73/1973-09-29.pdf
Of een mooiere scan hier.
http://www.dxarchive.com/pdf/record_mirror_sept_1973.pdf
"Record Mirror on 29th September 1973 published the results of a poll to determine the most popular radio station in Britain. Radio North Sea International (RNI )came first with 51% of the votes, Caroline second with 15%, Radio Veronica third with 9%, while BBC Radio One received only 5%."
http://www.offshoreradiomuseum.co.uk/page899.html