PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/09-07:43:00
G03     224.6          63.1                6.4 +/-    1.47       7.1 +/-    1.47  0.040 / 0.060
G07     253.2          12.2                6.4 +/-    2.81      17.1 +/-    2.81  0.060 / 0.060
G09     308.7          26.5                2.9 +/-    2.09       5.4 +/-    2.09  0.290 / 0.330
G14     105.4          10.5                2.9 +/-    2.22       7.9 +/-    2.22  0.200 / 0.330
G16     102.7          62.8                6.3 +/-    0.26       7.0 +/-    0.26  0.130 / 0.390
G22     191.5          47.5                6.3 +/-    0.54       8.2 +/-    0.54  0.140 / 0.300
G23     325.6          55.5                4.7 +/-    0.61       5.6 +/-    0.61  0.040 / 0.040
G26     56.9           45.0                4.8 +/-    0.98       6.5 +/-    0.98  0.030 / 0.040
G31     57.1           11.8                1.8 +/-    0.93       4.8 +/-    0.93  0.040 / 0.030