PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/15-23:27:30
G01     84.3           32.9               10.6 +/-    1.46      17.6 +/-    1.46  0.050 / 0.090
G07     129.8          41.5               11.4 +/-    1.08      16.2 +/-    1.08  0.060 / 0.090
G11     65.8           39.4               10.0 +/-    1.12      14.6 +/-    1.12  0.150 / 0.220
G13     289.3          36.8                9.5 +/-    1.60      14.6 +/-    1.60  0.130 / 0.250
G15     311.3          12.5               10.2 +/-    3.56      27.1 +/-    3.56  0.030 / 0.040
G17     219.2          55.5               11.0 +/-    1.27      13.1 +/-    1.27  0.040 / 0.040
G19     217.1          31.6               11.5 +/-    2.06      19.5 +/-    2.06  0.050 / 0.080
G28     0.1            61.2                9.1 +/-    0.82      10.2 +/-    0.82  0.060 / 0.080
G30     120.1          68.8               10.9 +/-    0.76      11.6 +/-    0.76  0.030 / 0.040