PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/14-03:12:50
G01     126.5          11.8              -11.6 +/-   32.68     -31.2 +/-   32.68  0.040 / 0.030
G07     60.5           68.3                4.5 +/-    0.64       4.8 +/-    0.64  0.030 / 0.040
G08     48.7           36.6                2.3 +/-    0.33       3.5 +/-    0.33  0.080 / 0.390
G09     176.3          33.6                7.3 +/-    1.16      11.9 +/-    1.16  0.090 / 0.370
G11     115.5          36.1                6.3 +/-    0.60       9.8 +/-    0.60  0.110 / 0.330
G13     320.8          12.5               -3.1 +/-   12.23      -8.1 +/-   12.23  0.090 / 0.270
G17     198.8          17.8                6.1 +/-    1.56      14.1 +/-    1.56  0.110 / 0.290
G18     99.8           16.8                6.0 +/-    2.16      14.2 +/-    2.16  0.130 / 0.320
G28     274.5          51.6                6.1 +/-    0.62       7.5 +/-    0.62  0.040 / 0.040
G30     331.5          59.9                3.7 +/-    1.12       4.2 +/-    1.12  0.040 / 0.040