Tips
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How to download multiple files at once:

1. Make a list of multiple files that you want to download as an ASCII file.

ex) The name of the list file: download_list.txt
https://himawari-seda.nict.go.jp/data/database/himawari9/5min/cdf/electron/2016/12/himawari9_k0_sedae_20161221_v03.cdf
https://himawari-seda.nict.go.jp/data/database/himawari9/5min/cdf/electron/2016/12/himawari9_k0_sedae_20161222_v03.cdf
https://himawari-seda.nict.go.jp/data/database/himawari9/5min/cdf/electron/2016/12/himawari9_k0_sedae_20161223_v03.cdf

2. Download multiple files from a list file using wget command.
$ wget -i download_list.txt

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