Opened 15 years ago
Closed 15 years ago
#184 closed enhancement (fixed)
COSMIC navigation bits
| Reported by: | Huw Lewis | Owned by: | Huw Lewis |
|---|---|---|---|
| Priority: | normal | Milestone: | 4.0 |
| Component: | ropp_pp | Version: | 3.0 |
| Keywords: | navigation bit | Cc: |
Description
Extend ropp_pp functionality to read/correct for GPS navigation bits in open loop processing.
At ROPP-3, open loop processing used a simple model to recover phase deviation from model, with no reading of external navigation bits. If available, should have capability to read in navigation bits and do 'full correction' (as in Gorbunov Occ code).
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See [2233].
Added configuration parameter config%navbit_file and moved COSMIC-specific processing (including optional navbit reading/interpolation) to ropp_pp_preprocess_COSMIC. Reads navigation bits from UCAR/COSMIC format navbit files (*_txt). These are given with respect to GPS time. A new routine has been added to the datetime module in ropp_utils to convert between calendar date and total GPS time.
For inclusion in ROPP-4 release. Ticket closed as fixed.