PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/09-05:28:10
G01     43.8           19.8                4.6 +/-    2.94      10.1 +/-    2.94  0.050 / 0.070
G06     175.5          31.0                8.7 +/-    1.42      14.9 +/-    1.42  0.060 / 0.070
G11     44.3           14.0                4.5 +/-    3.72      11.5 +/-    3.72  0.030 / 0.020
G13     242.7          27.6                8.0 +/-    1.85      14.7 +/-    1.85  0.030 / 0.020
G15     274.7          14.8                3.0 +/-    1.19       7.4 +/-    1.19  0.270 / 0.360
G17     345.0          75.9                7.9 +/-    0.96       8.1 +/-    0.96  0.210 / 0.340
G19     259.4          67.0                8.3 +/-    1.08       8.9 +/-    1.08  0.060 / 0.220
G24     318.5          11.7               -8.2 +/-   25.01     -22.2 +/-   25.01  0.110 / 0.350
G28     49.5           56.2                7.3 +/-    1.05       8.6 +/-    1.05  0.040 / 0.060
G30     153.6          39.2               10.0 +/-    1.00      14.8 +/-    1.00  0.040 / 0.050