1974-015A
The DMSP 08531 (Block 5B F-5) satellite was launched on 1974 Mar 16 by Thor Burner 2A from Vandenberg into a noon-midnight sun-synchronous orbit (2336LT), complementing the dawn-dusk view of 07529. It operated for two years. Satellite 31 carried the temperature sounder, a second generation Sensor J electron spectrometer, and a Sensor L lighting detector which monitored lightning flashes in the 0.4 to 1.1 micron range.
| DMSP 8531 | |||
| Date | Time | Event | Orbit |
|---|---|---|---|
| 1974 Mar 16 | 0800:11 | Launch by Thor Burner 2A | V SLC10W |
| 0802 | Thor MECO | ||
| 0803? | Star 37B burn 42s | ||
| 0803? | Star 37B sep | ||
| 0813? | Star 26 burn 18s | ||
| 0814? | Star 26 sep | ||
| 101.5 782 x 877 x 98.9 | |||
| 1974 Mar 23 | Declared operational | ||
| 1976 May 7 | End of operations | ||
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