PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/12-21:42:40
G01     319.7          15.8                8.0 +/-    2.07      19.4 +/-    2.07  0.180 / 0.240
G08     259.0          14.4                9.5 +/-    2.60      23.9 +/-    2.60  0.130 / 0.290
G10     74.8           55.3                9.0 +/-    0.55      10.6 +/-    0.55  0.050 / 0.080
G11     305.2          22.2                9.2 +/-    1.63      19.2 +/-    1.63  0.060 / 0.070
G14     291.2          70.4                9.1 +/-    0.72       9.6 +/-    0.72  0.050 / 0.040
G18     100.0          29.9                9.3 +/-    1.41      16.3 +/-    1.41  0.050 / 0.050
G31     179.5          36.2               11.7 +/-    1.25      18.2 +/-    1.25  0.020 / 0.020
G32     356.2          70.2                8.5 +/-    0.26       9.0 +/-    0.26  0.030 / 0.020