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Thanks for following up on this Brett and for the clarification from the PI. I did consider that the interpretation of the bit order should be reversed but that leads to other difficulties in interpretation of the codes. Arguably, this is the most important code as it represents the best quality: (t...

Hi Brett and Danielle, Thanks for following up on this and for replying to my query. I was looking most intensively at tile h13v09. I just checked 800 granules in the time series for that tile and 100% of them had a QC code with the 0001 bit sequence for band 5, so this is a common issue in this til...

Greetings, and thanks in advance for any help with this issue. The 8th band (sur_refl_qc_500m) of the MODIS MOD09A1 v6.1 land product are the quality control codes stored as bit-packed 32 bit integers. Unpacking those bits results in a binary sequence that can be interpreted using Table 10 of the MO...