PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/19-23:42:50
G05     48.1           18.6                7.9 +/-    1.43      18.1 +/-    1.43  0.110 / 0.130
G10     234.8          10.7              -14.7 +/-   22.81     -40.4 +/-   22.81  0.080 / 0.140
G13     78.6           36.4               11.1 +/-    0.89      17.2 +/-    0.89  0.090 / 0.090
G15     131.3          50.4               11.8 +/-    0.64      14.8 +/-    0.64  0.060 / 0.050
G16     314.9          12.5                7.6 +/-    4.76      20.2 +/-    4.76  0.160 / 0.400
G20     242.3          19.7               13.9 +/-    1.78      30.7 +/-    1.78  0.180 / 0.390
G21     310.3          44.8               10.9 +/-    1.09      14.8 +/-    1.09  0.130 / 0.370
G25     200.3          12.5               15.2 +/-    2.21      40.0 +/-    2.21  0.140 / 0.410
G26     288.2          21.1                9.9 +/-    2.03      21.3 +/-    2.03  0.070 / 0.100
G29     154.2          76.2               11.4 +/-    0.71      11.7 +/-    0.71  0.080 / 0.090