PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/06-15:58:00
G03     187.8          15.2               11.2 +/-    3.54      27.8 +/-    3.54  0.060 / 0.120
G07     295.4          40.1                7.8 +/-    0.76      11.3 +/-    0.76  0.050 / 0.120
G08     140.6          31.5               11.5 +/-    0.97      19.6 +/-    0.97  0.040 / 0.090
G09     318.5          68.1                7.3 +/-    1.42       7.8 +/-    1.42  0.030 / 0.080
G16     41.8           32.2                7.4 +/-    0.83      12.3 +/-    0.83  0.030 / 0.040
G23     131.3          68.8                9.3 +/-    1.01       9.9 +/-    1.01  0.040 / 0.040
G27     92.4           35.7               10.3 +/-    0.33      16.1 +/-    0.33  0.050 / 0.130
G30     278.2          16.7               10.0 +/-    1.59      23.7 +/-    1.59  0.050 / 0.120