PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/22-15:12:30
G02     219.2          59.9               10.1 +/-    1.48      11.5 +/-    1.48  0.060 / 0.070
G06     51.6           71.2                9.3 +/-    0.52       9.8 +/-    0.52  0.080 / 0.110
G12     318.8          38.1                9.0 +/-    1.69      13.5 +/-    1.69  0.050 / 0.080
G17     57.1           33.4                7.9 +/-    2.01      12.9 +/-    2.01  0.050 / 0.070
G19     43.6           46.0                9.4 +/-    0.85      12.5 +/-    0.85  0.040 / 0.050
G24     263.0          40.5               10.9 +/-    4.17      15.7 +/-    4.17  0.050 / 0.050
G28     122.5          17.6                6.4 +/-    2.93      15.0 +/-    2.93  0.060 / 0.050