Dataset structure
==================

1. "modes_weather_obs_201801_01-10.zip" contains weather (wind and
temperature) extracted from Mode-S and ADS-B data, from 2018-01-01 to
2018-01-10, at +/-30 minutes around 00h, 06h, 12h, and 18h of each day.

2. "gfs_201801_01-10.zip" contains the wind and temperature data
extracted from GFS reanalysis data with at 00h, 06h, 12h, and 18h each day.

3. "ecmwf_201801_01-10-10.zip" contains the wind and temperature data
extracted from ECMWF ERA5 reanalysis data with 00h, 06h, 12h, and 18h each day.

4. "modes_raw_data_20180101_0900_1000.zip" contains the raw Mode-S data
collected on 2018-01-01 from 09h to 10h.

5. "modes_weather_obs_20180101_0900.csv" and "modes_weather_obs_20180101_0930.csv"
are decoded weather information based on previous raw data.



CSV column definitions
======================

ts:     Unix time stamp
icao:   aircraft ICAO Mode-S transponder identifier
lat:    latitude
lon:    longitude
alt:    altitude (ft)
wx:     wind speed at x axis (u component of wind) (m/s)
wy:     wind speed at y axis (v component of wind) (m/s)
temp:   temperature (K)