PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/10-15:28:10
G02     210.6          50.7               11.2 +/-    0.92      14.0 +/-    0.92  0.080 / 0.090
G06     94.4           79.8                9.9 +/-    0.50      10.0 +/-    0.50  0.080 / 0.070
G12     316.0          29.1               10.5 +/-    1.11      18.7 +/-    1.11  0.080 / 0.110
G17     53.0           35.0                8.3 +/-    0.93      13.1 +/-    0.93  0.070 / 0.130
G19     32.9           52.7                9.7 +/-    0.55      11.8 +/-    0.55  0.050 / 0.080
G24     278.5          41.9                8.8 +/-    1.59      12.4 +/-    1.59  0.040 / 0.090
G28     117.7          18.8                9.9 +/-    1.73      22.4 +/-    1.73  0.030 / 0.030