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Dear Conrad: The downloads link is correct and does work. I am able to download the file from https://nrt3.modaps.eosdis.nasa.gov/api/v2/content/archives/allData/61/MOD00F/Recent/MOD00F.A2022314.1420.20223141453.001.NRT It is the other way around, the file named MOD00F.A2022314.1420.001.NRT is displ...

@dalde Thanks very much for the suggestion. We will forward this to the relevant team to include in the directions.

Here is response to your questions from product expert: 1. Is it appropriate to use the data to compare the ‘night’ activity of regions which have shorter vs longer daylight hours? (e.g. in certain winter months, Norway experiences 6-8 hours of daylight whereas Singapore has ~12 hours of daylight th...

Yes, you need to convert the UTC time to the local time.

Yes, for most part it is fixed.

Yes. The CO2 amounts in the atmosphere have been adjusted on a monthly basis in the MOD06 algorithm. A sinusoidal CO2 increase has been incorporated since collect 6. Hope this answers your question.

Sorry, we don't have example query yet but you might find online help at the following location useful:
https://www.opendap.org/support/online-help-files

Dear Grace:
The data acquisition time is stored in VNP46A1 layer UTC_Time. More info can be found from Black Marble users guide
https://viirsland.gsfc.nasa.gov/PDF/BlackMarbleUserGuide_v1.2_20220916.pdf

Section 3.2 for filenames.
Table 3 for layers

Yes, that's what we are working for. Hopefully, after these updates are installed ladsweb should be stable.

We are aware of and understand the problem (504 Gateway Time-out error) users are facing these days in downloading data. Our team is working on a solution, and hope to have a release out in the next week or so. In the meantime, if you get 504 error try again after a short pause or at a different time.