PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/16-08:12:40
G01     65.2           31.9                5.0 +/-    0.73       8.4 +/-    0.73  0.070 / 0.060
G07     140.0          25.6                8.2 +/-    0.90      15.8 +/-    0.90  0.050 / 0.060
G11     50.7           26.7                4.4 +/-    1.38       8.2 +/-    1.38  0.100 / 0.300
G13     270.2          36.2                7.5 +/-    0.81      11.7 +/-    0.81  0.120 / 0.310
G15     298.2          16.3                4.5 +/-    2.30      10.7 +/-    2.30  0.030 / 0.030
G17     246.7          74.8                8.1 +/-    0.76       8.4 +/-    0.76  0.030 / 0.040
G19     228.5          48.1                5.3 +/-    1.81       6.8 +/-    1.81  0.040 / 0.090
G28     29.1           57.7                3.5 +/-    0.69       4.0 +/-    0.69  0.040 / 0.120
G30     139.5          56.6                7.6 +/-    0.92       8.9 +/-    0.92  0.050 / 0.070