12 December 2018 0 1K Report

I am a new member. I will do something about SO2 from Aura/OMI data. I download data from website GES DISC

It provided two format: Swath file and Grid file. But I don't understand about this data. Please help me?

1. For Swath file How I can get data of each day from 14 or 15 swath file/day?

2. For Grid file, it have one file/1 day, but when I read data I saw the matrix of data have 8 layer like picture. So what layer is data of SO2?

and why in Latitude and Longitude have missingvalue?

Could you please help me understand it? Thank you so much!

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