PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/06-09:57:40
G01     258.0          38.1                6.8 +/-    2.47      10.2 +/-    2.47  0.040 / 0.060
G03     316.6          39.1                3.6 +/-    1.09       5.4 +/-    1.09  0.040 / 0.080
G11     242.5          15.3                5.9 +/-    1.56      14.5 +/-    1.56  0.060 / 0.070
G14     50.6           47.4                4.6 +/-    0.80       6.0 +/-    0.80  0.060 / 0.080
G18     225.8          32.1                6.9 +/-    2.82      11.7 +/-    2.82  0.040 / 0.030
G22     309.2          64.2                5.1 +/-    0.73       5.6 +/-    0.73  0.030 / 0.030
G25     44.3           13.2                2.0 +/-    1.80       5.2 +/-    1.80  0.130 / 0.110
G26     138.7          34.2              -18.9 +/-   29.45     -30.5 +/-   29.45  0.060 / 0.180
G31     43.3           61.7                3.9 +/-    0.46       4.4 +/-    0.46  0.130 / 0.450
G32     73.5           24.8                4.4 +/-    1.19       8.6 +/-    1.19  0.120 / 0.460