1. VPN
vpn.rc.fas.harvard.edu
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there are individual circular buffer data files, timestamp is seconds after Unix epoch. Need a converter for that:
date -r 123439819723 '+%m/%d/%Y:%H:%M:%S'
then 3 axes of B field data
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Tool for conversion of JSON to CSV files: dasel on MAC. brew install dasel
$ dasel -r json -w csv < sample.json color,id,value red,1,#f00 green,2,#0f0 blue,3,#00f
Nope, didn't work. Evidently json2tsv works better?