PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/26-10:42:50
G02     216.9          61.6                6.1 +/-    0.99       6.8 +/-    0.99  0.040 / 0.050
G06     54.9           72.7                3.4 +/-    0.33       3.5 +/-    0.33  0.050 / 0.060
G12     319.1          39.3                0.8 +/-    1.37       1.2 +/-    1.37  0.080 / 0.080
G17     57.3           32.1                1.4 +/-    2.28       2.4 +/-    2.28  0.070 / 0.090
G19     42.0           46.9                3.2 +/-    1.11       4.2 +/-    1.11  0.070 / 0.090
G24     266.0          40.7                6.7 +/-    1.09       9.7 +/-    1.09  0.050 / 0.060
G28     120.9          20.2                4.3 +/-    1.69       9.3 +/-    1.69  0.080 / 0.250