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2018.1QLP processing is near real time using possibly forecasted attitude/ephemeris and and forecasted or climatological meteorological and SST data. It is available a few hours after real time.
The 2018.1QL version is processed when the refined attitude/ephemeris and meteorological and SST data are available, typically 14-16 days after real time.
The 2018.1 version uses a refined instrument calibration, and is released in monthly batches that are generally available 45 -90 days after the last day of the month in question. We expect to release the July and August 2021 data in mid-October due to a delay in generating the refined calibration.