PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/18-04:28:10
G03     259.6          69.6                5.5 +/-    1.50       5.9 +/-    1.50  0.110 / 0.280
G09     301.9          19.0                4.0 +/-    1.70       9.0 +/-    1.70  0.090 / 0.240
G14     95.0           18.5                3.8 +/-    2.07       8.6 +/-    2.07  0.030 / 0.040
G16     132.5          55.0                6.3 +/-    0.46       7.6 +/-    0.46  0.030 / 0.050
G22     201.7          61.6                6.0 +/-    0.61       6.7 +/-    0.61  0.040 / 0.060
G23     314.4          44.0                4.6 +/-    0.59       6.3 +/-    0.59  0.040 / 0.060
G26     77.1           53.1                5.0 +/-    0.69       6.1 +/-    0.69  0.040 / 0.050
G31     49.8           23.3                2.5 +/-    2.90       5.1 +/-    2.90  0.040 / 0.040