Astra 4A (4.8°E), 2022-01-31
Viasat: NRK 1 Tegnsprak has left 12015.00MHz, pol.V (DVB-S2 SID:7866 PID:1866[MPEG-4]/3866 Norwegian), it is no longer transmitted by satellite in Europe.

 Astra 4A (4.8°E), 2016-11-16
Viasat: New SID for NRK 1 Tegnsprak on 12015.00MHz, pol.V FEC:3/4 SR:27500: SID:7866 ( PID:1866[MPEG-4]/3866 Norwegian - VideoGuard).
NRK 1 Tegnsprak switched to DVB-S2 at 12015.00MHz, pol.V SR:27500 FEC:3/4 PID:524/688 Norwegian.

 Thor 5 (0.8°W), 2016-10-02
Allente: NRK 1 Tegnsprak has left 11372.00MHz, pol.V (DVB-S SID:1516 PID:524/688 Norwegian)

 Thor 5 (0.8°W), 2013-12-21
Allente: NRK 1 Tegnsprak is now encrypted in Conax (11372.00MHz, pol.V SR:24500 FEC:7/8 SID:1516 PID:524/688 Norwegian).

 Astra 4A (4.8°E), 2013-07-31
Viasat: NRK 1 Tegnsprak is now encrypted in Clear (12015.00MHz, pol.V SR:27500 FEC:5/6 SID:1516 PID:524/688 Norwegian).

 Astra 4A (4.8°E), 2013-03-05
Viasat: NRK 1 Tegnsprak (Norway) is now transmitted Free To Air (12015.00MHz, pol.V SR:27500 FEC:5/6 SID:1516 PID:524/688 Norwegian).

 Thor 5 (0.8°W), 2008-04-15
NRK 1 Tegnsprak switched to Thor 5 satellite at 11372.00MHz, pol.V (DVB-S , 11372.00MHz, pol.V SR:24500 FEC:7/8 PID:524/688 Norwegian).

 Astra 4A (4.8°E), 2008-02-07
Viasat: A new channel has started in DVB-S VideoGuard: NRK 1 Tegnsprak (Norway) on 12015.00MHz, pol.V SR:27500 FEC:3/4 SID:1516 PID:524/688 Norwegian.

 Thor 3 (4.3°W), 2006-09-05
Allente: NRK 1 Tegnsprak has left 12322.00MHz, pol.H (DVB-S SID:1516 PID:516/648 Norwegian)

 Thor 2, 2006-05-23
Allente: New PID for NRK 1 Tegnsprak: PID:524/688 Norwegian SID:1516 (11372.00MHz, pol.V SR:24500 FEC:7/8 - Clear).

 Thor 2, 2006-05-16
Allente: New frequency for NRK 1 Tegnsprak: 11372.00MHz, pol.V (DVB-S SR:24500 FEC:7/8 SID:1516 PID:524/640 Norwegian- Clear).

 Thor 3 (4.3°W), 2004-02-05
Allente: NRK 1 Tegnsprak has left 12399.00MHz, pol.H (DVB-S SID:1516 PID:516/696 Norwegian)

 Thor 3 (4.3°W), 2003-09-23
Allente: New frequency for NRK 1 Tegnsprak: 12399.00MHz, pol.H (DVB-S SR:27800 FEC:3/4 SID:1516 PID:516/696 Norwegian- Clear).