You may donwload IMAGE magnetometer data from IMAGE server with unix wget
command. The url is:
The returned datafile is a tarball file containing gzipped daily IAGA format data files collected into a single archive.
You must specify one obligatory
|month||Month of the data set. Format: YYYYMM.|
In addition there are two optional
|stations||List of stations included in data files. Default = All stations.|
The list is a string of three-letter station ID codes separated by an underscrore '_'. E.g. "TRO_SOD_NUR".
Some predefined sets may be used:
- PPN-SOR : Line of stations from PPN to SOR.
- PPN-NAL : Line of stations from PPN to NAL.
- SVALBARD : Stations on or near Svalbard (NAL LYR HOP HOR BJN)
- FENNOSCANDIA : Stations on continental Norway, Sweden and Finland
- 66-71 : Stations between geographic latitudes 66° and 71°.
|sample_rate||Time resolution in seconds used in data files. Default = 10.|
Note: With IAGA files the time resolution is always at least 1 minute.
: Download 1-minute IMAGE data in IAGA format for March, 2018. Include all stations. Store the data into file 'image_201803.iaga.tar'.
wget -q "https://space.fmi.fi/image/www/data_download_month.php?month=201803&sample_rate=60" -O image_201803.iaga.tar
: Download full resolution (10s) IMAGE data for September, 2019. Include stations along the PPN-NAL line. Store the data into file 'image_201909.iaga.tar'.
wget -q "https://space.fmi.fi/image/www/data_download_month.php?month=201909&stations=PPN-NAL" -O image_201909.iaga.tar