CYGNSS Spacecraft/Instrument Sampling Rate Update

CYGNSS Spacecraft/Instrument Sampling Rate Update

Postby dmoroni » Thu Oct 15, 2020 9:55 am

Between 21 June 2019 and 2 July 2019, the sampling rate on each of the CYGNSS spacecraft changed from 1Hz to 2Hz, which in effect, resulted in an approximate doubling of the data file sizes starting with the Raw Telemetry (Level 0) and extending to the Level 1 data. This sampling rate change affects all versions of Level 1 CYGNSS data that provided retrievals intersecting this time range.

Below are the precise dates/times for the 2Hz transition, listed in UTC, and separated by the spacecraft flight model (FM) identification number:
FM01: 2019-07-02 19:50:11
FM02: 2019-06-21 13:16:22
FM03: 2019-07-02 17:31:09
FM04: 2019-07-02 18:57:33
FM05: 2019-07-02 16:42:47
FM06: 2019-07-02 18:11:45
FM07: 2019-07-02 19:19:41
FM08: 2019-07-02 20:26:46
dmoroni
 
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