PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/13-05:13:00
G01     43.7           19.6               14.1 +/-    0.62      31.3 +/-    0.62  0.060 / 0.090
G06     175.5          31.1                8.9 +/-    1.21      15.2 +/-    1.21  0.060 / 0.080
G11     44.3           14.0                3.2 +/-    1.45       8.2 +/-    1.45  0.110 / 0.290
G13     242.5          27.5                9.7 +/-    1.77      17.9 +/-    1.77  0.070 / 0.220
G15     274.4          14.8                5.5 +/-    1.61      13.7 +/-    1.61  0.150 / 0.360
G17     346.0          75.8                8.0 +/-    0.79       8.2 +/-    0.79  0.190 / 0.370
G19     259.9          67.1                8.3 +/-    0.76       8.9 +/-    0.76  0.070 / 0.190
G24     318.5          11.9               -0.9 +/-   13.84      -2.4 +/-   13.84  0.080 / 0.210
G28     49.7           56.1                6.6 +/-    0.41       7.8 +/-    0.41  0.040 / 0.070
G30     153.7          39.1               10.8 +/-    1.16      15.9 +/-    1.16  0.040 / 0.050