|Radio na Wizji
||18 January 2011 (officially)
Polskie Radio Program IV, known also as PR4 or radiowa Czwórka is a radio channel broadcast by the Polish public broadcaster, Polskie Radio.
The Program was started on 2 January 1976 as Polskie Radio Program IV. On 8 October 1994 the station was renamed to Radio Bis. At the beginning, it was a channel for young people, dedicated to sport and science. On 26 May 2008 the station changed its name into Radio Euro, and focused on musical entertainment and sport. On 2 August 2010 the station returned to its original name - Polskie Radio Program IV.
On 18 January 2011, at 11:00 p.m., Polskie Radio Program IV officially started the project Radio na Wizji. It is a television channel, broadcasting as live video feed of the PR4. It's similar project to Italian RTL 102,5 Very Normal People, but the product of Polskie Radio is more advanced.