PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/10-21:28:00
G03     190.2          22.0               11.3 +/-    0.95      23.8 +/-    0.95  0.080 / 0.190
G07     287.5          35.7               10.9 +/-    1.58      17.0 +/-    1.58  0.070 / 0.150
G08     145.2          25.2               13.9 +/-    2.98      27.1 +/-    2.98  0.040 / 0.080
G09     320.4          59.0               10.4 +/-    1.22      12.0 +/-    1.22  0.060 / 0.080
G16     43.7           42.4               10.4 +/-    0.80      14.6 +/-    0.80  0.050 / 0.090
G23     104.4          80.3                8.6 +/-    0.35       8.8 +/-    0.35  0.040 / 0.080
G26     43.2           13.6                7.9 +/-    1.59      20.2 +/-    1.59  0.030 / 0.030
G27     101.5          32.6               13.5 +/-    0.47      22.4 +/-    0.47  0.030 / 0.040
G30     273.2          14.5               11.5 +/-    1.54      28.9 +/-    1.54  0.070 / 0.110