PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/27-01:57:40
G01     268.1          40.8                7.0 +/-    1.32      10.0 +/-    1.32  0.040 / 0.060
G03     316.0          30.0                5.5 +/-    2.07       9.7 +/-    2.07  0.040 / 0.060
G10     130.8          14.9                6.7 +/-    0.74      16.7 +/-    0.74  0.050 / 0.070
G11     247.5          19.0                7.8 +/-    1.17      17.7 +/-    1.17  0.060 / 0.070
G14     45.0           49.3                5.0 +/-    0.60       6.3 +/-    0.60  0.060 / 0.090
G18     230.6          37.4                8.2 +/-    0.83      12.4 +/-    0.83  0.060 / 0.090
G22     313.6          52.7                5.0 +/-    1.81       6.1 +/-    1.81  0.130 / 0.280
G25     48.7           14.6                3.1 +/-    1.88       7.7 +/-    1.88  0.130 / 0.260
G31     51.8           71.8                4.3 +/-    0.49       4.5 +/-    0.49  0.070 / 0.260
G32     66.3           30.4                4.5 +/-    0.70       7.8 +/-    0.70  0.080 / 0.230