of Month |
of Year |
Scan Mode | Beta Angle, deg |
Calibrations, UT | Special Operations/Comments | ||||
| Internal | Solar | ||||||||
| Cross Track |
Unrestricted Biaxial |
Restricted Biaxial |
Sunrise | Sunset | |||||
| 1 | 213 | X | -- | -- | 39 | -- | -- | -- | Orbit Adjustment (Delta V maneuvers) |
|---|---|---|---|---|---|---|---|---|---|
| 2 | 214 | X | -- | -- | 35 | -- | -- | -- | |
| 3 | 215 | -- | X | -- | 30 | -- | -- | -- | Verified spacecraft position predictions near DOE ARM site in Oklahoma. |
| 4 | 216 | X | -- | -- | 25 | -- | -- | -- | |
| 5 | 217 | X | -- | -- | 21 | -- | -- | -- | |
| 6 | 218 | -- | -- | *Alongtrack | 16 | -- | -- | -- | Sun-avoidance commands required. UTCF value adjusted. New UTCF = 31535997.881288 seconds |
| 7 | 219 | X | -- | -- | 12 | -- | -- | -- | |
| 8 | 220 | X | -- | -- | 7 | -- | -- | -- | Orbit Adjustment (Delta V maneuvers) |
| 9 | 221 | -- | -- | X | 3 | -- | -- | -- | Spacecraft yaw maneuver - 21:10:54, +X axis to -X axis forward. X-track operation from 21:56 to 22:56 UT near DOE ARM site in Oklahoma. |
| 10 | 222 | X | -- | -- | -2 | -- | -- | -- | Beta changed (+ to - values) |
| 11 | 223 | X | -- | -- | -6 | -- | -- | -- | |
| 12 | 224 | -- | -- | X | -9 | 15:25:00 | 13:30:50 | -- | X-track operation from 21:30 to 22:30 UT near DOE ARM site in Oklahoma. UTCF value adjusted. New UTCF = 31535997.880443 seconds |
| 13 | 225 | X | -- | -- | -12 | -- | -- | -- | |
| 14 | 226 | X | -- | -- | -15 | -- | -- | -- | |
| 15 | 227 | -- | -- | X | -18 | -- | -- | -- | Orbit Adjustment (Delta V maneuvers). X-track operation from 19:40 to 20:30 UT near DOE ARM site in Oklahoma |
| 16 | 228 | X | -- | -- | -20 | -- | -- | -- | |
| 17 | 229 | X | -- | -- | -21 | -- | -- | -- | |
| 18 | 230 | -- | X | -- | -22 | -- | -- | -- | X-track operation from 17:45 to 19:45 UT near DOE ARM site in Oklahoma. |
| 19 | 231 | X | -- | -- | -22 | -- | -- | -- | Minimum Beta Angle for the cycle |
| 20 | 232 | X | -- | -- | -22 | -- | -- | -- | |
| 21 | 233 | -- | -- | *Alongtrack | -21 | -- | -- | -- | Sun-avoidance commands required. Orbit Adjustment (Delta V maneuvers). X-track operation from 15:50 to 17:41 UT near DOE ARM site in Oklahoma. |
| 22 | 234 | X | -- | -- | -19 | -- | -- | -- | |
| 23 | 235 | X | -- | -- | -17 | -- | -- | -- | UTCF value adjusted. New UTCF = 31535997.879569 seconds |
| 24 | 236 | -- | -- | X | -14 | -- | -- | -- | X-track operation from 13:35 to 15:55 UT near DOE ARM site in Oklahoma. Last day in biaxial scan mode following onset of DAA + 15-volt anomaly. |
| 25 | 237 | X | -- | -- | -11 | -- | -- | -- | Values of DAA + 15-volt measurement exceeded 16.0 volts during orbits between 12:00 - 15:00 UT. |
| 26 | 238 | X | -- | -- | -8 | -- | -- | -- | Values of DAA + 15-volt measurement exceeded 16.0 volts during orbits between 12:00 - 14:00 UT. |
| 27 | 239 | X | -- | -- | -4 | -- | -- | -- | Orbit Adjustment (Delta V maneuvers). In cross-track scan mode because of DAA + 15-volt anomaly. Values exceeded 16.0 volts during orbits between 11:00 - 14:00 UT. |
| 28 | 240 | X | -- | -- | 0 | -- | -- | -- | Spacecraft yaw maneuver - 7:07:09, -X axis to +X axis forward. New elevation scan profile uploaded and tested. Values of DAA + 15-volt measurement exceeded 16.0 volts during orbits between 11:00 - 19:00 UT. |
| 29 | 241 | X | -- | -- | 4 | -- | -- | -- | Values of DAA + 15-volt measurement exceeded 16.0 volts during orbits between 09:00 - 21:00 UT. |
| 30 | 242 | X | -- | -- | 8 | -- | -- | -- | In cross-track mode because of DAA + 15-volt anomaly. Values exceeded 16.0 volts during orbits between 10:00 and 20:00 UT. Azimuth gimbal rotated to 5.0 deg at 19:08:57 UT. |
| 31 | 243 | -- | -- | -- | 12 | -- | -- | -- | Azimuth = 5.0 degs, Normal Earth scan till 11:24:46 when instrument commanded to safe. Commanded to Normal Earth scan at 21:42:38. SWICS set to level 3 at 21:45:49. |
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