PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/15-09:13:10
G01     42.9           18.5                2.6 +/-    0.62       5.9 +/-    0.62  0.040 / 0.080
G06     178.4          33.1                7.6 +/-    1.98      12.5 +/-    1.98  0.040 / 0.100
G13     241.9          24.1                4.9 +/-    1.49       9.8 +/-    1.49  0.030 / 0.030
G15     273.6          13.5                4.3 +/-    0.96      11.1 +/-    0.96  0.050 / 0.030
G17     359.7          71.8                6.4 +/-    0.71       6.7 +/-    0.71  0.200 / 0.390
G19     272.1          68.9                6.0 +/-    0.69       6.4 +/-    0.69  0.230 / 0.430
G24     318.0          15.4                2.7 +/-    2.31       6.7 +/-    2.31  0.100 / 0.230
G28     68.4           47.8                4.7 +/-    0.36       6.1 +/-    0.36  0.070 / 0.190
G30     153.4          30.2                9.3 +/-    1.59      16.2 +/-    1.59  0.050 / 0.090