Astra 2E (28.2°E), 2020-06-01
Sky Digital: Challenge +1 has left 11836.00MHz, pol.H (DVB-S SID:6026 PID:525/673 nar,653 English), it is no longer transmitted by satellite in Europe.

 Astra 2E (28.2°E), 2020-02-18
Sky Digital: Challenge +1 (United Kingdom) is now transmitted Free To Air (11836.00MHz, pol.H SR:27500 FEC:5/6 SID:6026 PID:525/673 nar,653 English).

 Astra 2E (28.2°E), 2020-02-17
Sky Digital: Challenge +1 is encrypted again after being temporarily unencrypted on 11836.00MHz, pol.H SR:27500 FEC:5/6 SID:6026 PID:525/673 nar,653 English (DVB Scrambling).

 Astra 2E (28.2°E), 2019-08-28
Sky Digital: Challenge +1 (United Kingdom) is now transmitted Free To Air (11836.00MHz, pol.H SR:27500 FEC:5/6 SID:6026 PID:525/673 nar,653 English).

 Astra 2E (28.2°E), 2019-08-27
Sky Digital: Challenge +1 is encrypted again after being temporarily unencrypted on 11836.00MHz, pol.H SR:27500 FEC:5/6 SID:6026 PID:525/673 nar,653 English (DVB Scrambling).

 Astra 2E (28.2°E), 2019-07-01
Sky Digital: Challenge +1 (United Kingdom) is now transmitted Free To Air (11836.00MHz, pol.H SR:27500 FEC:5/6 SID:6026 PID:525/673 nar,653 English).

 Astra 2E (28.2°E), 2019-06-30
Sky Digital: Challenge +1 is encrypted again after being temporarily unencrypted on 11836.00MHz, pol.H SR:27500 FEC:5/6 SID:6026 PID:525/673 nar,653 English (DVB Scrambling).

 Astra 2E (28.2°E), 2019-01-27
Sky Digital: Challenge +1 (United Kingdom) is now transmitted Free To Air (11836.00MHz, pol.H SR:27500 FEC:5/6 SID:6026 PID:525/673 nar,653 English).
Sky Digital: Challenge +1 is encrypted again after being temporarily unencrypted on 11836.00MHz, pol.H SR:27500 FEC:5/6 SID:6026 PID:525/673 nar,653 English (DVB Scrambling).

 Astra 2E (28.2°E), 2018-11-23
Sky Digital: Challenge +1 (United Kingdom) is now transmitted Free To Air (11836.00MHz, pol.H SR:27500 FEC:5/6 SID:6026 PID:525/673 nar,653 English).
Sky Digital: Challenge +1 is encrypted again after being temporarily unencrypted on 11836.00MHz, pol.H SR:27500 FEC:5/6 SID:6026 PID:525/673 nar,653 English (DVB Scrambling).

 Astra 2E (28.2°E), 2018-10-10
Sky Digital: Challenge +1 (United Kingdom) is now transmitted Free To Air (11836.00MHz, pol.H SR:27500 FEC:5/6 SID:6026 PID:525/673 nar,653 English).

 Astra 2E (28.2°E), 2018-10-09
Sky Digital: Challenge +1 is encrypted again after being temporarily unencrypted on 11836.00MHz, pol.H SR:27500 FEC:5/6 SID:6026 PID:525/673 nar,653 English (DVB Scrambling).

 Astra 2F (28.2°E), 2015-06-25
Sky Digital: Challenge +1 has left 12304.00MHz, pol.H (DVB-S SID:6026 PID:525/673 English,653 English)

 Astra 2E (28.2°E), 2015-06-16
Sky Digital: New frequency for Challenge +1: 11836.00MHz, pol.H (DVB-S SR:27500 FEC:5/6 SID:6026 PID:525/673 nar,653 English- Clear).

 Astra 2F (28.2°E), 2015-04-23
Sky Digital: New FEC for Challenge +1 on 12304.00MHz, pol.H: FEC:5/6 ( SR:27500 SID:6026 PID:525/673 English,653 English - Clear).

 Eutelsat 33C, 2013-10-04
Sky Digital: Challenge +1 has left 11565.00MHz, pol.V (DVB-S SID:6026 PID:525/673 English,653 English)

 Astra 1N (19.2°E), 2013-10-03
Sky Digital: New frequency for Challenge +1: 12304.00MHz, pol.H (DVB-S SR:27500 FEC:2/3 SID:6026 PID:525/673 English,653 English- Clear).

 Eutelsat 33C, 2012-06-06
Sky Digital: Challenge +1 (United Kingdom) is now transmitted Free To Air (11565.00MHz, pol.V SR:27500 FEC:2/3 SID:6026 PID:525/673 English,653 English).

 Astra 2A, 2011-04-10
Sky Digital: Challenge +1 has left 11740.00MHz, pol.V (DVB-S SID:6006 PID:516/644 English,664 English)

 Eutelsat 33C, 2011-04-10
Sky Digital: New frequency for Challenge +1: 11565.00MHz, pol.V (DVB-S SR:27500 FEC:2/3 SID:6026 PID:525/673 English,653 English- VideoGuard).

 Astra 2A, 2011-02-01
Sky Digital: New PID for Challenge +1: PID:516/644 English,664 English SID:6006 (11740.00MHz, pol.V SR:27500 FEC:2/3 - VideoGuard).

 Eutelsat 33C, 2011-01-25
Sky Digital: Challenge +1 has left 11307.00MHz, pol.H (DVB-S SID:52232 PID:2316/2317 English,2318 English)

 Astra 2A, 2011-01-25
Sky Digital: New frequency for Challenge +1: 11740.00MHz, pol.V (DVB-S SR:27500 FEC:2/3 SID:6006 PID:2338/2356 English,2357 English- VideoGuard).

 Eutelsat 33C, 2008-11-21
Sky Digital: New PID for Challenge +1: PID:2316/2317 English,2318 English SID:52232 (11307.00MHz, pol.H SR:27500 FEC:2/3 - VideoGuard).

 Eutelsat 33C, 2008-02-21
Sky Digital: New PID for Challenge +1: PID:2312/2313 English,2314 English SID:52232 (11307.00MHz, pol.H SR:27500 FEC:2/3 - VideoGuard).

 Eutelsat 33C, 2008-01-15
Sky Digital: New PID for Challenge +1: PID:2316/2317 English,2318 English SID:52232 (11307.00MHz, pol.H SR:27500 FEC:2/3 - VideoGuard).

 Eutelsat 33C, 2007-11-06
Sky Digital: New PID for Challenge +1: PID:2318/2319 English,2320 English SID:52232 (11307.00MHz, pol.H SR:27500 FEC:2/3 - VideoGuard).

 Eutelsat 33C, 2007-04-15
Sky Digital: New PID for Challenge +1: PID:2316/2317 English,2318 nar SID:52232 (11307.00MHz, pol.H SR:27500 FEC:3/4 - VideoGuard).

 Eutelsat 33C, 2006-11-27
Sky Digital: New PID for Challenge +1: PID:2320/2321 English,2322 nar SID:52232 (11307.00MHz, pol.H SR:27500 FEC:3/4 - VideoGuard).

 Eutelsat 33C, 2006-04-22
Sky Digital: New PID for Challenge +1: PID:2318/2319 English,2320 nar SID:52232 (11307.00MHz, pol.H SR:27500 FEC:3/4 - VideoGuard).

 Eutelsat 33C, 2006-03-17
Sky Digital: New PID for Challenge +1: PID:2317/2318 English,2319 nar SID:52232 (11307.00MHz, pol.H SR:27500 FEC:3/4 - VideoGuard).

 Eutelsat 33C, 2004-12-20
Sky Digital: New PID for Challenge +1: PID:2314/2315 English SID:52232 (11307.00MHz, pol.H SR:27500 FEC:3/4 - VideoGuard).

 Eutelsat 33C, 2004-12-17
Sky Digital: A new channel has started in DVB-S VideoGuard: Challenge +1 (United Kingdom) on 11307.00MHz, pol.H SR:27500 FEC:3/4 SID:52232 PID:2312/2313 English.