PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/11-12:58:10
G02     225.0          65.2                7.5 +/-    0.80       8.2 +/-    0.80  0.070 / 0.100
G06     44.9           66.2                3.5 +/-    0.35       3.8 +/-    0.35  0.050 / 0.080
G12     321.2          45.7                3.2 +/-    1.38       4.3 +/-    1.38  0.030 / 0.060
G17     65.1           25.6                4.0 +/-    0.67       7.7 +/-    0.67  0.050 / 0.060
G19     44.4           47.1                3.5 +/-    0.58       4.6 +/-    0.58  0.030 / 0.030
G24     250.7          39.0                8.7 +/-    1.17      12.8 +/-    1.17  0.030 / 0.030