Sun Outage Prediction for ApStar 5C (TELSTAR 18)
 
Input Data
 
Site position :TAIWAN - TAIPEI
 
Longitude=121.53 East                  Latitude=25.08 North
 
- Satellite position : 138 East
 
S/C on-station Longitude W:                   -138.0
Ground station Latitude N:                     25.08
Antenna Size (meters):                            6.3
'C' or 'Ku' band:                                       Ku
Season:                                                    fall
Year:                                                        2026
Antenna Pointing
Azimuth:          145.11
Elevation:        55.36
 
Predicted Outage

Outage Date	Start UTC	End UTC	Duration	Start PC Local	End PC Local
10/03/2026	02:25:51	02:27:56	02:05	10:25:51	10:27:56
10/04/2026	02:25:07	02:28:07	03:00	10:25:07	10:28:07

 
 
 
 
 
 
 
 
 
Sun Outage Prediction for ApStar 5C (TELSTAR 18)
Input Data
 
Site position :TAIWAN - TAIPEI
 
Longitude=121.53 East                 Latitude=25.08 North
 
- Satellite position : 138 East
 
S/C on-station Longitude W:                   -138.0
Ground station Latitude N:                     25.08
Antenna Size (meters):                            5.6
'C' or 'Ku' band:                                       Ku
Season:                                                    fall
Year:                                                        2026
 
Antenna Pointing
Azimuth:          145.11
Elevation:        55.36
 
Predicted Outage

Outage Date	Start UTC	End UTC	Duration	Start PC Local	End PC Local
10/03/2026	02:25:49	02:28:04	02:15	10:25:49	10:28:04
10/04/2026	02:25:02	02:28:12	03:10	10:25:02	10:28:12

 
 
 
 
 
 
 
 
 
 
Sun Outage Prediction for ApStar 5C (TELSTAR 18)
Input Data
 
Site position :TAIWAN - TAIPEI
 
Longitude=121.53 East                 Latitude=25.08 North
 
- Satellite position : 138 East
 
S/C on-station Longitude W:                   -138.0
Ground station Latitude N:                     25.08
Antenna Size (meters):                            3.7
'C' or 'Ku' band:                                       Ku
Season:                                                    fall
Year:                                                        2026
 
Antenna Pointing
Azimuth:          145.11
Elevation:        55.36
 
Predicted Outage

Outage Date	Start UTC	End UTC	Duration	Start PC Local	End PC Local
10/03/2026	02:25:18	02:28:28	03:10	10:25:18	10:28:28
10/04/2026	02:24:43	02:28:33	03:50	10:24:43	10:28:33
10/05/2026	02:25:44	02:26:49	01:05	10:25:44	10:26:49

 
 
 
 
 
 
 
 
Sun Outage Prediction for ApStar 5C (TELSTAR 18)
Input Data
 
Site position :TAIWAN - TAIPEI
 
Longitude=121.53 East                 Latitude=25.08 North
 
- Satellite position : 138 East
 
S/C on-station Longitude W:                   -138.0
Ground station Latitude N:                     25.08
Antenna Size (meters):                            3
'C' or 'Ku' band:                                       Ku
Season:                                                    fall
Year:                                                        2026
 
Antenna Pointing
Azimuth:          145.11
Elevation:        55.36
 
Predicted Outage

Outage Date	Start UTC	End UTC	Duration	Start PC Local	End PC Local
10/03/2026	02:25:06	02:28:46	03:40	10:25:06	10:28:46
10/04/2026	02:24:29	02:28:44	04:15	10:24:29	10:28:44
10/05/2026	02:25:10	02:27:25	02:15	10:25:10	10:27:25

 
 
 
 
 
 
 
 
Sun Outage Prediction for ApStar 5C (TELSTAR 18)
Input Data
Site position :TAIWAN - TAIPEI
 
Longitude=121.53 East                 Latitude=25.08 North
 
- Satellite position : 138 East
 
S/C on-station Longitude W:                   -138.0
Ground station Latitude N:                     25.08
Antenna Size (meters):                            0.6
'C' or 'Ku' band:                                       Ku
Season:                                                    fall
Year:                                                        2026
Antenna Pointing
Azimuth:          145.11
Elevation:        55.36
Predicted Outage

	Outage Date	Start UTC	End UTC	Duration		Start PC Local	End PC Local
09/30/2026		02:23:50	02:32:00		08:10	10:23:50	10:32:00
10/01/2026		02:21:52	02:33:17		11:25	10:21:52	10:33:17
10/02/2026		02:20:42	02:33:47		13:05	10:20:42	10:33:47
10/03/2026		02:19:55	02:33:55		14:00	10:19:55	10:33:55
10/04/2026		02:19:33	02:33:43		14:10	10:19:33	10:33:43
10/05/2026		02:19:26	02:33:11		13:45	10:19:26	10:33:11
10/06/2026		02:19:44	02:32:14		12:30	10:19:44	10:32:14
10/07/2026		02:20:37	02:30:47		10:10	10:20:37	10:30:47
10/08/2026		02:22:29	02:28:19		05:50	10:22:29	10:28:19