PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/01/24-17:43:00
G01     304.0          35.1                8.6 +/-    1.15      13.6 +/-    1.15  0.060 / 0.140
G10     109.4          38.0                8.8 +/-    0.87      13.3 +/-    0.87  0.070 / 0.140
G11     280.1          27.5                8.7 +/-    1.43      16.0 +/-    1.43  0.050 / 0.080
G14     2.2            65.5                6.9 +/-    0.59       7.5 +/-    0.59  0.040 / 0.080
G22     310.9          29.1                7.0 +/-    1.92      12.5 +/-    1.92  0.030 / 0.040
G25     79.1           17.6                9.2 +/-    1.17      21.5 +/-    1.17  0.030 / 0.030
G31     163.2          68.7                8.3 +/-    0.99       8.8 +/-    0.99  0.090 / 0.190
G32     40.0           49.8                8.8 +/-    0.67      11.1 +/-    0.67  0.090 / 0.150