https://ftp.pmel.noaa.gov/tao/strat/calfiles
├── [ 118 Jul 19 2011] air.spr*
├── [ 89 Jul 19 2011] ltc.spr*
├── [ 89 Jul 19 2011] ltd.spr*
├── [ 89 Jul 19 2011] lwr.spr*
├── [ 3.0K Jul 19 2011] module.spr*
├── [ 2.1K Jul 19 2011] p17630.cal*
├── [ 3.3K Jul 19 2011] p2298.cal*
├── [ 2.1K Jul 19 2011] p27033.cal*
├── [ 2.1K Jul 19 2011] p27038.cal*
├── [ 3.2K Jul 19 2011] p27040.cal*
├── [ 2.7K Jul 19 2011] p27044.cal*
├── [ 2.1K Jul 19 2011] p27050.cal*
├── [ 2.1K Jul 19 2011] p27296.cal*
├── [ 2.1K Jul 19 2011] p28382.cal*
├── [ 164 Jul 19 2011] rad.spr*
├── [ 164 Jul 19 2011] rain.spr*
├── [ 118 Jul 19 2011] rh.spr*
└── [ 164 Jul 19 2011] wind.spr*
0 directories, 18 files