PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/11-03:57:40
G01     269.8          40.8                8.6 +/-    1.16      12.3 +/-    1.16  0.040 / 0.060
G03     315.6          27.7                5.3 +/-    1.02       9.8 +/-    1.02  0.030 / 0.060
G10     130.0          17.4                8.4 +/-    1.97      19.6 +/-    1.97  0.060 / 0.090
G11     248.0          20.7                8.2 +/-    1.74      17.7 +/-    1.74  0.050 / 0.090
G14     45.7           48.4                7.9 +/-    0.40      10.2 +/-    0.40  0.060 / 0.080
G22     314.0          51.8                8.1 +/-    1.29      10.1 +/-    1.29  0.080 / 0.100
G25     49.1           14.9                6.4 +/-    1.60      15.9 +/-    1.60  0.030 / 0.030
G26     150.3          24.0               10.6 +/-    2.15      21.2 +/-    2.15  0.030 / 0.040
G31     55.9           75.7                7.6 +/-    0.49       7.8 +/-    0.49  0.040 / 0.070
G32     63.1           34.3                5.9 +/-    1.09       9.5 +/-    1.09  0.040 / 0.070