PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/04-11:58:00
G03     233.4          67.3                5.1 +/-    0.42       5.5 +/-    0.42  0.130 / 0.280
G09     304.3          19.5                3.6 +/-    1.61       7.9 +/-    1.61  0.140 / 0.240
G14     99.4           17.1                4.0 +/-    1.41       9.4 +/-    1.41  0.050 / 0.050
G16     120.0          60.2                5.6 +/-    0.48       6.3 +/-    0.48  0.040 / 0.040
G22     190.4          52.0                6.3 +/-    0.49       7.8 +/-    0.49  0.040 / 0.050
G23     323.2          53.0                4.2 +/-    0.45       5.1 +/-    0.45  0.050 / 0.050
G26     65.0           49.4                4.2 +/-    0.73       5.3 +/-    0.73  0.030 / 0.030
G31     53.6           16.6                4.4 +/-    2.79      10.5 +/-    2.79  0.040 / 0.030