PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/27-09:28:10
G02     216.5          59.3                7.5 +/-    0.81       8.6 +/-    0.81  0.080 / 0.080
G06     58.9           75.3                5.9 +/-    0.49       6.1 +/-    0.49  0.070 / 0.080
G12     318.4          36.1                5.0 +/-    1.57       7.8 +/-    1.57  0.090 / 0.070
G17     58.9           30.0                4.4 +/-    1.70       7.7 +/-    1.70  0.080 / 0.080
G19     36.2           51.1                5.6 +/-    1.39       7.0 +/-    1.39  0.150 / 0.290
G24     259.2          42.3                7.9 +/-    2.85      11.0 +/-    2.85  0.160 / 0.360
G28     122.1          15.2                7.2 +/-    1.75      17.8 +/-    1.75  0.040 / 0.080