Spaceweather Products
GFZ Potsdam

SUA product Swarm Rate Of change of TEC (ROT)
I.128 ROT

Naming convention of data files

SUA product Swarm Rate Of change of TEC (ROT) 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. ROT);
• 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 ROT data file

The SUA Swarm ROT data file consist of 6 variables (from column 1 to column 6):

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.	Latitude: geocentric latitude in degrees;
Column 4.	Longitude: geocentric longitude in degrees;
Column 5.	Radius: distance from the Earth's centre in meters;
Column 6.	ROT: Rate Of change of TEC in TECU/s.