PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/09-17:28:00
G01     222.8          13.4               11.9 +/-    3.12      30.8 +/-    3.12  0.030 / 0.030
G03     259.3          71.9               10.0 +/-    0.91      10.4 +/-    0.91  0.030 / 0.030
G14     90.4           22.8                8.5 +/-    1.71      17.4 +/-    1.71  0.070 / 0.120
G16     141.7          50.3               11.7 +/-    0.40      14.7 +/-    0.40  0.130 / 0.130
G22     200.7          64.7               10.2 +/-    0.60      11.1 +/-    0.60  0.030 / 0.050
G23     312.8          43.1               10.5 +/-    1.09      14.5 +/-    1.09  0.050 / 0.050
G26     85.8           54.1               10.0 +/-    1.28      12.1 +/-    1.28  0.110 / 0.230
G31     47.6           26.8                7.7 +/-    2.22      14.5 +/-    2.22  0.120 / 0.200