PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/19-00:43:10
G01     293.6          39.4                7.7 +/-    1.55      11.4 +/-    1.55  0.070 / 0.130
G03     310.8          13.6                9.1 +/-    2.94      23.5 +/-    2.94  0.070 / 0.110
G10     117.7          31.4                9.1 +/-    0.47      15.5 +/-    0.47  0.030 / 0.030
G11     266.6          27.4                9.0 +/-    1.39      16.7 +/-    1.39  0.030 / 0.030
G14     22.6           59.4                7.6 +/-    0.38       8.7 +/-    0.38  0.060 / 0.120
G22     313.1          35.4                7.8 +/-    1.78      12.4 +/-    1.78  0.060 / 0.120
G25     67.4           18.3                6.3 +/-    1.00      14.4 +/-    1.00  0.060 / 0.070
G31     158.8          75.7                9.9 +/-    1.46      10.2 +/-    1.46  0.050 / 0.080
G32     46.3           46.1                5.8 +/-    0.41       7.7 +/-    0.41  0.040 / 0.050