PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/15-00:27:50
G01     220.2          11.1                8.4 +/-    2.24      22.8 +/-    2.24  0.040 / 0.040
G03     263.6          69.8                5.4 +/-    0.62       5.8 +/-    0.62  0.030 / 0.050
G09     300.4          16.5                5.2 +/-    2.05      12.5 +/-    2.05  0.180 / 0.320
G14     94.0           18.6                5.6 +/-    0.97      12.8 +/-    0.97  0.190 / 0.340
G16     137.1          53.1                7.7 +/-    0.91       9.3 +/-    0.91  0.100 / 0.250
G22     203.9          63.2                7.1 +/-    0.92       7.8 +/-    0.92  0.110 / 0.300
G23     312.5          41.9                5.1 +/-    2.03       7.2 +/-    2.03  0.040 / 0.100
G26     82.7           54.6                4.6 +/-    0.89       5.5 +/-    0.89  0.050 / 0.070
G31     48.3           26.9                2.9 +/-    1.25       5.5 +/-    1.25  0.040 / 0.050