TRT 4

TRT 4 was a Turkish television program. Before 2008, it was a TV station which broadcast cultural and educational programs in Turkey.

Introduction
TRT 4 started test transmissions in 1990 as "4. Kanal", and is now TRT's frequently watched TV station.

In the past, the channel broadcast educational programs (correspondence courses).

Afterward TRT 4 started broadcast the repeats of Turkish folk, documentaries and classical music programming.

From 1 November 2008, its broadcast times are: 21:00 - 07:00 (EET) after the release of TRT Çocuk, It has many subprograms. TRT 4 logo replaced TRT Çocuk logo during the program.

Currently TRT 4 shows programs of TRT Müzik channel.

Close at night
During late 2008 to late 2009, TRT 4 is only channel of TRT that close to the testcard at night. While before that TRT 3 also close from 1am to 5am. And before 2003 TRT 1 and TRT 2 also close at night.