PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/18-01:27:50
G01     306.3          34.0                6.6 +/-    0.86      10.7 +/-    0.86  0.080 / 0.160
G10     107.3          38.8                9.5 +/-    0.64      14.1 +/-    0.64  0.080 / 0.130
G11     279.4          28.3                8.7 +/-    1.35      15.9 +/-    1.35  0.070 / 0.090
G14     357.6          66.7                7.9 +/-    0.57       8.5 +/-    0.57  0.060 / 0.110
G18     273.8          50.4                8.3 +/-    0.75      10.4 +/-    0.75  0.070 / 0.060
G20     121.1          13.3                9.4 +/-    1.37      24.3 +/-    1.37  0.070 / 0.070
G22     310.1          26.1                6.8 +/-    1.10      13.0 +/-    1.10  0.060 / 0.190
G25     78.9           16.4                7.0 +/-    0.76      17.0 +/-    0.76  0.080 / 0.180
G31     164.0          66.7               10.3 +/-    1.09      11.1 +/-    1.09  0.090 / 0.300
G32     38.5           50.7                8.4 +/-    0.36      10.5 +/-    0.36  0.110 / 0.240