PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/10-06:42:30
G01     40.4           15.5                4.4 +/-    1.84      10.8 +/-    1.84  0.060 / 0.140
G06     175.5          39.3                8.6 +/-    1.52      12.7 +/-    1.52  0.060 / 0.120
G13     236.1          21.5                7.3 +/-    1.06      15.5 +/-    1.06  0.030 / 0.040
G15     271.5          11.6                3.8 +/-    2.71      10.2 +/-    2.71  0.040 / 0.040
G17     10.2           67.7                6.3 +/-    0.76       6.8 +/-    0.76  0.120 / 0.300
G19     275.4          67.8                6.8 +/-    0.74       7.2 +/-    0.74  0.120 / 0.320
G24     314.3          24.4                3.9 +/-    1.86       7.8 +/-    1.86  0.050 / 0.070
G28     71.0           47.8                5.8 +/-    0.91       7.6 +/-    0.91  0.050 / 0.070
G30     155.4          27.8                9.4 +/-    1.75      17.3 +/-    1.75  0.130 / 0.190