PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/06-11:57:30
G03     225.3          64.8                6.0 +/-    1.52       6.6 +/-    1.52  0.130 / 0.390
G09     306.3          22.3                5.0 +/-    1.25      10.4 +/-    1.25  0.140 / 0.370
G14     102.4          14.7                5.0 +/-    1.51      12.6 +/-    1.51  0.060 / 0.050
G16     111.8          62.1                6.1 +/-    0.35       6.8 +/-    0.35  0.070 / 0.070
G22     188.9          48.1                5.6 +/-    0.45       7.3 +/-    0.45  0.040 / 0.040
G23     326.3          55.9                3.9 +/-    0.42       4.6 +/-    0.42  0.040 / 0.040
G26     60.3           47.2                3.7 +/-    0.95       4.9 +/-    0.95  0.040 / 0.030
G31     55.5           14.0                4.2 +/-    4.29      10.8 +/-    4.29  0.050 / 0.040