PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/09-01:28:10
G01     96.3           30.2                5.3 +/-    0.73       9.3 +/-    0.73  0.080 / 0.180
G07     120.0          50.3                5.9 +/-    0.40       7.4 +/-    0.40  0.090 / 0.140
G08     42.0           13.5                1.5 +/-    1.27       3.8 +/-    1.27  0.040 / 0.060
G11     78.2           42.7                4.7 +/-    0.74       6.5 +/-    0.74  0.030 / 0.050
G13     301.2          33.3                4.7 +/-    0.91       7.7 +/-    0.91  0.040 / 0.080
G17     211.3          47.0                6.8 +/-    1.86       8.9 +/-    1.86  0.030 / 0.060
G19     212.4          22.6                6.2 +/-    1.90      12.9 +/-    1.90  0.090 / 0.120
G28     339.9          61.9                3.4 +/-    0.53       3.8 +/-    0.53  0.080 / 0.120
G30     94.0           75.4                4.5 +/-    0.43       4.6 +/-    0.43  0.050 / 0.120