PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/03-07:57:40
G02     202.2          28.6                6.8 +/-    0.72      12.3 +/-    0.72  0.130 / 0.260
G06     167.2          62.7                8.6 +/-    1.29       9.5 +/-    1.29  0.140 / 0.280
G12     304.3          11.3               -0.8 +/-   14.14      -2.1 +/-   14.14  0.050 / 0.080
G17     33.7           50.9                2.6 +/-    0.49       3.2 +/-    0.49  0.060 / 0.080
G19     341.1          68.6                4.0 +/-    0.85       4.3 +/-    0.85  0.040 / 0.050
G24     299.4          38.8                3.8 +/-    0.98       5.7 +/-    0.98  0.040 / 0.040
G28     96.1           36.2                5.8 +/-    0.66       8.9 +/-    0.66  0.050 / 0.130