Eutelsat 7A, 2016-03-20
Digitürk: TRT 4 has left 11455.50MHz, pol.V (DVB-S SID:1101 PID:2310/3310 Turkish), it is no longer transmitted by satellite in Europe.

 Turksat 2A (24.2°E), 2014-09-18
TRT 4 has left 11918.00MHz, pol.V (DVB-S SID:16 PID:912/913 Turkish)

 Turksat 3A (42°E), 2014-09-18
TRT 4 has left 11096.00MHz, pol.H (DVB-S SID:16 PID:912/913 Turkish)

 Turksat 2A (24.2°E), 2012-12-27
TRT 4 has left 11918.00MHz, pol.V (DVB-S SID:16 PID:912/913 Turkish)

 Eutelsat 7A, 2012-07-06
Digitürk: New SR for TRT 4 on 11451.96MHz, pol.V: SR:20050 ( FEC:3/4 SID:1101 PID:2310/3310 Turkish - Clear). Nights

 Eutelsat 7A, 2012-04-07
Digitürk: New PID for TRT 4: PID:2310/3310 Turkish SID:1101 (11451.96MHz, pol.V SR:25066 FEC:2/3 - Clear). Nights

 Turksat 3A (42°E), 2009-10-12
New SR for TRT 4 on 11093.00MHz, pol.H: SR:30000 ( FEC:5/6 SID:16 PID:912/913 Turkish - Clear).

 Eutelsat 7A, 2008-11-19
Digitürk: A new channel has started in DVB-S Clear: TRT 4 (Turkey) on 11451.00MHz, pol.V SR:25066 FEC:2/3 SID:1101 PID:2119/2219 Turkish. Nights

 Turksat 3A (42°E), 2008-10-16
New frequency for TRT 4: 11093.00MHz, pol.H (DVB-S SR:24444 FEC:3/4 SID:13 APID:1115 Turkish- Clear).
New frequency for TRT 4: 11093.00MHz, pol.H (DVB-S SR:24444 FEC:3/4 SID:16 PID:912/913 Turkish- Clear).

 Turksat 1C, 2008-01-19
TRT 4 has left 11175.00MHz, pol.H (DVB-S SID:13 APID:1115 Turkish)
TRT 4 has left 11175.00MHz, pol.H (DVB-S SID:16 PID:912/913 Turkish)

 Turksat 1C, 2008-01-16
TRT 4 (Turkey) broadcasts in DVB-S Clear on 11175.00MHz, pol.H SR:24444 FEC:3/4 SID:13 APID:1115 Turkish.
TRT 4 (Turkey) broadcasts in DVB-S Clear on 11175.00MHz, pol.H SR:24444 FEC:3/4 SID:16 PID:912/913 Turkish.

 Turksat 1C, 2007-01-24
TRT 4 has left 11175.00MHz, pol.H (DVB-S SID:4 PID:290/291 Turkish)

 Turksat 2A (24.2°E), 2007-01-23
New SID for TRT 4 on 11918.00MHz, pol.V FEC:3/4 SR:24440: SID:16 ( PID:912/913 Turkish - Clear).

 Turksat 1C, 2006-07-13
TRT 4 has left 11096.00MHz, pol.V (DVB-S SID:13 PID:912/913 Turkish)

 Turksat 2A (24.2°E), 2006-06-15
New frequency for TRT 4: 11918.00MHz, pol.V (DVB-S SR:24440 FEC:3/4 SID:13 PID:912/913 Turkish- Clear).

 Eutelsat 7A, 2004-11-16
Digitürk: TRT 4 has left 11492.00MHz, pol.V (DVB-S SID:1501 PID:2100/2200 Turkish)

 Turksat 1C, 2004-04-01
TRT 4 has left 11497.00MHz, pol.H (PAL )

 Turksat 1C, 2004-01-20
New frequency for TRT 4: 11096.00MHz, pol.V (DVB-S SR:27500 FEC:3/4 SID:0 PID:912/913 Turkish- Clear).

 Eutelsat 48C (1.2°E), 2002-07-04
Digitürk: TRT 4 (Turkey) is now transmitted Free To Air (11492.00MHz, pol.V SR:30000 FEC:3/4 SID:1501 PID:2100/2200).

 Eutelsat 48C (1.2°E), 2002-06-01
Digitürk: TRT 4 is now encrypted in Cryptoworks (11492.00MHz, pol.V SR:30000 FEC:3/4 SID:1501 PID:2100/2200).