PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/26-07:57:50
G01     55.8           28.2                3.0 +/-    2.06       5.4 +/-    2.06  0.040 / 0.050
G06     178.2          17.6                4.8 +/-    2.93      11.1 +/-    2.93  0.030 / 0.040
G07     142.9          19.3                6.6 +/-    2.38      14.8 +/-    2.38  0.120 / 0.240
G11     47.7           24.5                4.3 +/-    1.99       8.5 +/-    1.99  0.110 / 0.300
G13     257.9          35.2                8.5 +/-    1.70      13.5 +/-    1.70  0.030 / 0.030
G15     290.0          16.7                3.0 +/-    3.17       7.2 +/-    3.17  0.030 / 0.020
G17     266.3          77.7                8.5 +/-    0.69       8.7 +/-    0.69  0.110 / 0.180
G19     234.9          55.4                7.9 +/-    1.70       9.4 +/-    1.70  0.120 / 0.250
G28     26.1           59.6                7.2 +/-    0.60       8.2 +/-    0.60  0.040 / 0.040
G30     146.3          52.8                7.6 +/-    0.56       9.2 +/-    0.56  0.040 / 0.050