power data file format:

One record per line in comma-separated values:

  Time stamp as "YYYY-MM-DD HH:MM:SS" (including quotes)
  Station ID
  Battery Voltage (volts, minimum)
  Solar Panel 1 Voltage (volts, average)
  Solar Panel 2 Voltage (volts, average)
  Battery Current, + = charging (amps, average)
  Solar Panel 1 Current (amps, average)
  Solar Panel 2 Current (amps, average)

All times are UTC
Values are sampled every 5 seconds and then averaged over a 2 minute period