PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/07-12:42:40
G02     282.2          81.7                4.5 +/-    0.77       4.5 +/-    0.77  0.120 / 0.200
G05     170.2          22.2                5.6 +/-    3.89      11.7 +/-    3.89  0.090 / 0.150
G06     39.2           53.7                4.5 +/-    0.66       5.4 +/-    0.66  0.110 / 0.120
G12     320.1          59.1                4.5 +/-    0.67       5.2 +/-    0.67  0.110 / 0.130
G17     78.9           15.9                4.5 +/-    1.71      10.9 +/-    1.71  0.130 / 0.180
G19     66.6           32.2                3.4 +/-    1.76       5.6 +/-    1.76  0.140 / 0.190
G24     238.8          30.2                6.9 +/-    1.45      12.0 +/-    1.45  0.030 / 0.030
G25     317.8          20.7                3.8 +/-    2.40       8.2 +/-    2.40  0.040 / 0.030