PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/11-04:28:10
G01     315.8          23.9                5.1 +/-    1.36      10.3 +/-    1.36  0.030 / 0.020
G10     89.4           50.0                6.4 +/-    0.69       8.1 +/-    0.69  0.040 / 0.020
G11     294.2          27.7                3.8 +/-    0.97       7.0 +/-    0.97  0.040 / 0.030
G14     325.9          71.2                5.3 +/-    0.96       5.6 +/-    0.96  0.040 / 0.030
G18     107.1          25.4                4.8 +/-    1.61       9.3 +/-    1.61  0.170 / 0.290
G22     304.0          16.1                3.1 +/-    1.44       7.5 +/-    1.44  0.130 / 0.320
G25     90.3           11.5                6.7 +/-    1.64      18.1 +/-    1.64  0.070 / 0.140
G31     174.6          49.6                6.9 +/-    0.68       8.7 +/-    0.68  0.090 / 0.120
G32     17.0           63.2                4.9 +/-    0.85       5.4 +/-    0.85  0.040 / 0.050