PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/31-05:27:30
G01     119.7          15.6                7.9 +/-    2.04      19.2 +/-    2.04  0.040 / 0.020
G07     73.6           67.4                6.9 +/-    0.44       7.5 +/-    0.44  0.030 / 0.030
G08     46.6           34.5                5.5 +/-    0.66       8.8 +/-    0.66  0.070 / 0.110
G09     175.3          27.2                7.6 +/-    2.03      14.1 +/-    2.03  0.060 / 0.070
G11     114.1          39.9                8.2 +/-    0.85      12.0 +/-    0.85  0.030 / 0.030
G13     318.5          18.3                4.0 +/-    2.01       9.2 +/-    2.01  0.030 / 0.040
G17     200.3          20.8                7.1 +/-    1.62      15.3 +/-    1.62  0.150 / 0.320
G28     277.0          50.1                6.5 +/-    2.02       8.2 +/-    2.02  0.170 / 0.320
G30     335.8          63.8                6.6 +/-    0.43       7.3 +/-    0.43  0.090 / 0.100