PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/27-10:27:50
G01     44.3           20.3                4.1 +/-    2.79       9.0 +/-    2.79  0.310 / 0.460
G06     175.0          31.7                6.1 +/-    1.31      10.4 +/-    1.31  0.200 / 0.320
G11     43.9           11.8                2.5 +/-    2.28       6.6 +/-    2.28  0.070 / 0.170
G13     242.9          27.5                5.8 +/-    2.13      10.7 +/-    2.13  0.080 / 0.190
G15     277.8          14.3                3.3 +/-    1.19       8.3 +/-    1.19  0.040 / 0.030
G17     334.0          76.6                5.0 +/-    1.10       5.1 +/-    1.10  0.040 / 0.040
G19     259.4          66.7                5.3 +/-    0.93       5.7 +/-    0.93  0.090 / 0.120
G24     318.5          11.7               -5.4 +/-   21.74     -14.6 +/-   21.74  0.080 / 0.100
G28     51.8           55.2                4.5 +/-    0.83       5.3 +/-    0.83  0.050 / 0.060
G30     152.9          37.1                5.8 +/-    0.47       8.9 +/-    0.47  0.070 / 0.070