Spaceweather Products
GFZ Potsdam

SUA product Swarm Polar Electrojet (PEJ)
G.123 PEJ

Naming convention of data files

SUA product Swarm Polar Electrojet (PEJ) data and metadata files are in ASCII and XML format. The data file naming convention “SW_OPER_PNMXTMSSWE_YYYY-MM-DD” can be described as follows:

• SW: Swarm;
• OPER: operational;
• PNM: product name (e.g. PEJ);
• X: Swarm satellite name (A, B, or C);
• TMS: time series;
• SWE: Space Weather;
• YYYY: year (e.g. 2017);
• MM: month (e.g. 02);
• DD: day (e.g. 25).

Content of the Swarm PEJ data file

The SUA Swarm PEJ data file consist of 8 variables (from column 1 to column 8):

Column 1.	mjd2000: Modified Julian Day (starting at midnight of 01/01/2000);
Column 2.	date: YYYY-MM-DDhh:mm:ss (hh:mm:ss" represents hour, minute, and seconds);
Column 3.	orb num: Swarm Orbit Counter (AUXxORBCNT, where x = A, B, or C for Swarm A, Swarm B, or Swarm C, respectively)
Column 4.	lat: geocentric latitude in degrees;
Column 5.	mlt: Magnetic Local Time in decimal hours;
Column 6.	lat_cor: corrected latitude in degrees;
Column 7.	max_lat: maximum latitude in degrees;
Column 8.	color code: g (green), y (yellow), and r (red) string values.