PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/11-07:42:50
G01     253.4          36.4                7.9 +/-    2.28      12.2 +/-    2.28  0.040 / 0.040
G03     316.3          41.4                5.0 +/-    0.80       7.0 +/-    0.80  0.040 / 0.040
G11     238.7          13.2                3.5 +/-    1.25       9.1 +/-    1.25  0.100 / 0.110
G14     56.0           44.2                5.1 +/-    0.96       7.0 +/-    0.96  0.080 / 0.100
G18     222.4          29.1                6.3 +/-    2.46      11.3 +/-    2.46  0.040 / 0.060
G22     306.2          65.6                5.4 +/-    0.93       5.8 +/-    0.93  0.050 / 0.060
G25     41.1           11.0                3.6 +/-    2.38       9.8 +/-    2.38  0.090 / 0.410
G26     135.4          37.2                7.5 +/-    0.60      11.5 +/-    0.60  0.100 / 0.410
G31     41.9           58.0                5.0 +/-    0.69       5.7 +/-    0.69  0.260 / 0.220
G32     76.6           22.5                4.6 +/-    1.44       9.6 +/-    1.44  0.090 / 0.370