PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/22-03:43:10
G01     293.9          39.5                4.9 +/-    1.09       7.2 +/-    1.09  0.040 / 0.060
G03     310.8          13.4                4.2 +/-    1.50      10.9 +/-    1.50  0.040 / 0.060
G10     117.8          30.3                6.9 +/-    2.20      12.1 +/-    2.20  0.060 / 0.090
G11     266.4          26.6                6.8 +/-    1.96      12.9 +/-    1.96  0.060 / 0.090
G14     18.8           60.8                6.0 +/-    0.42       6.7 +/-    0.42  0.050 / 0.110
G18     256.0          48.4                7.3 +/-    1.15       9.4 +/-    1.15  0.050 / 0.090
G22     313.2          35.3                6.5 +/-    1.94      10.2 +/-    1.94  0.060 / 0.110
G25     68.4           18.4                3.5 +/-    1.07       8.1 +/-    1.07  0.070 / 0.110
G31     128.0          77.7                8.2 +/-    1.12       8.4 +/-    1.12  0.080 / 0.230
G32     50.2           42.1                4.6 +/-    0.38       6.5 +/-    0.38  0.070 / 0.170