5	    // number of points in transmitter
 50  50     // coordinates of first point   (northing, easting)
150  50     // coordinates of second point
150 150     //          |
 50 150     //          V 
 50  50     // coordinates of last point, same as first for closed loop
1000.5      // Frequency of Tx [Hz]
1.          // Current in loop, [Amperes]