ČT3

==OK3==
===1990–1993===
On 14th April 1990, Československá televize started a test transmission of OK3, channel broadcasting on former frequencies of Soviet television for occupation armies. OK3 was broadcasting programmes from famous satellite channels of that time, most often from TV5 Europe, MCM, La Sept, CNN and RTL plus. OK3 is short for Otevřený kanál 3 (Open channel 3 in Czech).
In 1992, Česká televize began broadcasting on frequencies of ČTV and OK3. From that date, OK3 began broadcasting more news programmes and also repeats from ČTV and F1.
==ČT3==
===1993–1994===
On 1st January 1993, OK3 became ČT3.
On 1st January 1994, ČT2 began broadcasting on frequencies of ČT3. From 1st January 1994 to 4th of February 1994, ČT2 broadcasted on two sites of frequencies, its own and on that of ČT3.
On 4th February 1994, TV Nova began broadcasting on frequencies of ČT2, so ČT2 began broadcasting on frequencies of ČT3 and ČT3 officially ended.
===2020–2022===
ČT3_HD.svg|HD version
ČT3 was revived on 23 March 2020 as a channel showing archived content from Česká televize and the erstwhile ČST for an older audience. This is in a similar fashion to the Slovak TV channel Trojka.
Czech Television announced the end of the TV channel ČT3 on 19 November 2022 with this spot:
* Promo of closing of broadcasting ČT3 on 31 December 2022
Category:Česká televize
Category:Czech Republic
Category:Prague
Category:1990
Category:Defunct television channels
Category:Defunct television channels in the Czech Republic
Category:Television channels and stations established in 1990
Category:Television channels and stations disestablished in 2022