PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/23-12:58:10
G08     259.1          11.8                5.2 +/-    1.43      14.0 +/-    1.43  0.030 / 0.050
G10     83.7           52.0                3.8 +/-    0.94       4.6 +/-    0.94  0.040 / 0.060
G11     302.8          22.6                5.5 +/-    1.49      11.4 +/-    1.49  0.070 / 0.080
G14     298.3          69.7                4.7 +/-    0.87       5.0 +/-    0.87  0.090 / 0.080
G18     105.4          24.4               19.4 +/-    1.07      38.4 +/-    1.07  0.120 / 0.250
G22     302.8          15.3                2.4 +/-    1.28       5.9 +/-    1.28  0.100 / 0.300
G25     99.7           9.6               -16.3 +/-   14.57     -45.7 +/-   14.57  0.040 / 0.040
G31     173.9          46.4                6.3 +/-    0.64       8.3 +/-    0.64  0.030 / 0.040
G32     15.1           64.6                3.9 +/-    0.70       4.2 +/-    0.70  0.190 / 0.310