PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/10-14:27:30
G02     201.2          22.7               10.7 +/-    2.26      22.1 +/-    2.26  0.130 / 0.340
G06     170.3          57.2                9.3 +/-    0.38      10.9 +/-    0.38  0.120 / 0.390
G13     226.7          11.1                8.9 +/-    2.30      24.1 +/-    2.30  0.110 / 0.210
G17     29.0           55.1                8.2 +/-    0.94       9.7 +/-    0.94  0.210 / 0.170
G19     341.0          70.0                8.5 +/-    0.57       9.0 +/-    0.57  0.090 / 0.120
G24     308.9          30.6                7.4 +/-    0.78      12.7 +/-    0.78  0.090 / 0.130
G28     92.3           37.3                9.0 +/-    1.12      13.7 +/-    1.12  0.040 / 0.040
G30     157.9          12.7                9.8 +/-    1.51      25.8 +/-    1.51  0.030 / 0.050