PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/10-23:27:50
G01     95.5           30.5                9.8 +/-    1.22      17.0 +/-    1.22  0.040 / 0.050
G07     120.9          49.9                9.9 +/-    0.63      12.5 +/-    0.63  0.040 / 0.050
G08     42.2           14.2                6.4 +/-    3.07      16.1 +/-    3.07  0.080 / 0.100
G11     77.6           42.8                8.6 +/-    1.78      12.0 +/-    1.78  0.060 / 0.090
G13     300.2          33.9                5.0 +/-    2.03       8.1 +/-    2.03  0.030 / 0.050
G17     212.1          46.3                9.2 +/-    0.58      12.2 +/-    0.58  0.050 / 0.050
G19     212.7          22.9               10.8 +/-    2.25      22.3 +/-    2.25  0.210 / 0.520
G28     341.3          61.9                7.2 +/-    0.85       8.0 +/-    0.85  0.240 / 0.360
G30     94.9           75.7                8.9 +/-    0.56       9.2 +/-    0.56  0.080 / 0.140