Hello I share for you the most popular Polish radio stations is 23 but the list will grow.
On the list is Eska Zielona Gora because it is the station from my region I add links to the file where are listed all the regional Eska + I add a link how to replace such a station

http://etrucks.pl/thread-51967-post-358924.html#pid358924 - How to change the radio station Eska Zielona Gora to another regional