Astra 2G (28.2°E), 2021-02-16
Sky Digital: Smithsonian Channel has left 11265.00MHz, pol.V (DVB-S SID:52126 PID:2305/2306 English), it is no longer transmitted by satellite in Europe.

 Intelsat 11 (43°W), 2020-12-21
Smithsonian Channel has left 3772.00MHz, pol.V (DVB-S2 SID:204 PID:2110[MPEG-4] /2111 Spanish,2112 English)

 Eutelsat 5 West A (9.1°W), 2020-09-05
Smithsonian Channel has left 4111.00MHz, pol.R (DVB-S2 SID:1027 PID:2702[MPEG-4]/2703)

 Intelsat 11 (43°W), 2020-06-28
Smithsonian Channel (U.S.A.) is now transmitted Free To Air (3772.00MHz, pol.V SR:15000 FEC:5/6 SID:204 PID:2110[MPEG-4]/2111 Spanish,2112 English).

 Intelsat 11 (43°W), 2020-06-10
A new channel has started in DVB-S2 PowerVu: Smithsonian Channel (U.S.A.) on 3772.00MHz, pol.V SR:15000 FEC:5/6 SID:204 PID:2110[MPEG-4]/2111 Spanish,2112 English.

 Astra 2G (28.2°E), 2020-04-16
Sky Digital: New PID for Smithsonian Channel: PID:2305/2306 English SID:52126 (11265.00MHz, pol.V SR:27500 FEC:2/3 - Clear).

 Eutelsat 5 West A (9.1°W), 2019-12-10
A new channel has started in DVB-S2 Conax: Smithsonian Channel (U.S.A.) on 4111.00MHz, pol.R SR:30000 FEC:3/4 SID:1027 PID:2702[MPEG-4]/2703.

 Astra 2G (28.2°E), 2018-12-18
Sky Digital: A new channel has started in DVB-S Clear: Smithsonian Channel (U.S.A.) on 11265.00MHz, pol.V SR:27500 FEC:2/3 SID:52126 PID:2309/2312 English.