PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/29-20:58:10
G10     260.3          33.2               14.7 +/-    1.34      24.2 +/-    1.34  0.120 / 0.520
G13     46.2           24.6               16.3 +/-    1.65      32.2 +/-    1.65  0.100 / 0.610
G15     67.3           53.0               15.7 +/-    0.48      19.2 +/-    0.48  0.050 / 0.040
G18     288.1          62.1               14.3 +/-    0.69      16.0 +/-    0.69  0.050 / 0.040
G20     50.1           39.7               14.8 +/-    0.77      21.6 +/-    0.77  0.070 / 0.160
G21     353.3          68.8               16.0 +/-    1.21      17.1 +/-    1.21  0.070 / 0.220
G26     262.2          10.8               13.0 +/-    2.22      35.7 +/-    2.22  0.070 / 0.080
G27     320.4          15.2               12.0 +/-    2.70      29.8 +/-    2.70  0.050 / 0.080
G29     165.1          33.5               19.4 +/-    1.62      31.6 +/-    1.62  0.150 / 0.370