Sun Outage Prediction for ApStar 5C(TELSTAR 18)
Input Data
 
Site position :TAIWAN - Hsinchu
 
Longitude=120.98 East Latitude=24.8 North
 
- Satellite position : 138.00 East
 
S/C on-station Longitude W:           -138
Ground station Latitude N:             24.8
Antenna Size (meters):                7.3
'C' or 'Ku' band:                       Ku
Season:                            spring
Year:                                2025
 
Antenna Pointing
Azimuth:      143.852
Elevation:        55.308
 
Predicted Outage

Outage Date	Start UTC	End UTC	Duration	Start PC Local	End PC Local
03/09/2025	02:47:09	02:49:29	02:20	10:47:09	10:49:29
03/10/2025	02:46:45	02:49:20	02:35	10:46:45	10:49:20

 
 
 
 
 
 
 
 
 
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:                                                    spring
Year:                                                        2025
Antenna Pointing
Azimuth:          145.11
Elevation:        55.36
 
Predicted Outage

Outage Date	Start UTC	End UTC	Duration	Start PC Local	End PC Local
03/09/2025	02:47:04	02:49:34	02:30	10:47:04	10:49:34
03/10/2025	02:46:40	02:49:25	02:45	10:46:40	10:49:25

 
 
 
 
 
 
 
 
 
 
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):                            5.6
'C' or 'Ku' band:                                       Ku
Season:                                                    spring
Year:                                                        2025
 
Antenna Pointing
Azimuth:          145.11
Elevation:        55.36
 
Predicted Outage

Outage Date	Start UTC	End UTC	Duration	Start PC Local	End PC Local
03/09/2025	02:46:56	02:49:41	02:45	10:46:56	10:49:41
03/10/2025	02:46:36	02:49:31	02:55	10:46:36	10:49:31

 
 
 
 
 
 
 
 
 
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:                                                    spring
Year:                                                        2025
 
Antenna Pointing
Azimuth:          145.11
Elevation:        55.36
 
Predicted Outage

Outage Date	Start UTC	End UTC	Duration	Start PC Local	End PC Local
03/09/2025	02:46:34	02:50:04	03:30	10:46:34	10:50:04
03/10/2025	02:46:11	02:49:51	03:40	10:46:11	10:49:51

 
 
 
 
 
 
 
 
 
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:                                                    spring
Year:                                                        2025
 
Antenna Pointing
Azimuth:          145.11
Elevation:        55.36
 
Predicted Outage

Outage Date	Start UTC	End UTC	Duration	Start PC Local	End PC Local
03/09/2025	02:46:15	02:50:20	04:05	10:46:15	10:50:20
03/10/2025	02:45:56	02:50:06	04:10	10:45:56	10:50:06

 
 
 
 
 
 
 
 
 
 
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:                                                    spring
Year:                                                        2025
Antenna Pointing
Azimuth:          145.11
Elevation:        55.36
Predicted Outage
 

Outage Date	Start UTC	End UTC	Duration	Start PC Local	End PC Local
03/05/2025	02:48:30	02:50:00	01:30	10:48:30	10:50:00
03/06/2025	02:44:37	02:53:32	08:55	10:44:37	10:53:32
03/07/2025	02:42:57	02:54:42	11:45	10:42:57	10:54:42
03/08/2025	02:41:54	02:55:14	13:20	10:41:54	10:55:14
03/09/2025	02:41:17	02:55:22	14:05	10:41:17	10:55:22
03/10/2025	02:41:01	02:55:11	14:10	10:41:01	10:55:11
03/11/2025	02:41:04	02:54:34	13:30	10:41:04	10:54:34
03/12/2025	02:41:36	02:53:31	11:55	10:41:36	10:53:31
03/13/2025	02:42:37	02:51:52	09:15	10:42:37	10:51:52
03/14/2025	02:45:36	02:48:21	02:45	10:45:36	10:48:21