PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/09-07:42:30
G03     224.6          63.1                5.7 +/-    0.64       6.3 +/-    0.64  0.050 / 0.070
G07     253.2          12.2                5.8 +/-    3.52      15.4 +/-    3.52  0.060 / 0.080
G09     308.7          26.5                0.9 +/-    1.17       1.7 +/-    1.17  0.090 / 0.470
G14     105.4          10.5                2.8 +/-    1.65       7.7 +/-    1.65  0.110 / 0.530
G16     102.7          62.8                6.1 +/-    0.80       6.8 +/-    0.80  0.040 / 0.060
G22     191.5          47.5                5.4 +/-    0.85       7.0 +/-    0.85  0.040 / 0.060
G23     325.6          55.5                3.9 +/-    0.92       4.6 +/-    0.92  0.030 / 0.040
G26     56.9           45.0                3.0 +/-    0.61       4.0 +/-    0.61  0.040 / 0.050
G31     57.1           11.8                1.8 +/-    0.69       4.9 +/-    0.69  0.040 / 0.060