PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/08-02:27:50
G01     257.7          38.0                7.7 +/-    1.09      11.6 +/-    1.09  0.040 / 0.050
G03     316.4          36.4                4.1 +/-    1.18       6.3 +/-    1.18  0.040 / 0.050
G11     240.5          15.9                5.3 +/-    2.50      12.8 +/-    2.50  0.050 / 0.100
G14     55.5           43.1                4.1 +/-    0.41       5.7 +/-    0.41  0.070 / 0.110
G22     310.5          60.0                5.9 +/-    0.58       6.7 +/-    0.58  0.060 / 0.090
G23     281.7          14.6               -3.3 +/-    3.42      -8.2 +/-    3.42  0.060 / 0.090
G25     42.4           11.7                5.0 +/-    1.23      13.4 +/-    1.23  0.080 / 0.090
G26     145.6          31.4                7.9 +/-    1.40      13.5 +/-    1.40  0.090 / 0.080
G31     42.7           68.2                4.9 +/-    0.49       5.2 +/-    0.49  0.040 / 0.040
G32     70.9           29.2                3.3 +/-    0.83       5.9 +/-    0.83  0.040 / 0.040