PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/01/25-02:28:10
G01     97.0           29.9                6.0 +/-    0.83      10.6 +/-    0.83  0.030 / 0.040
G07     119.4          50.7                5.9 +/-    0.36       7.4 +/-    0.36  0.040 / 0.050
G08     42.0           13.5                3.3 +/-    3.33       8.6 +/-    3.33  0.100 / 0.170
G11     78.4           42.4                4.8 +/-    1.13       6.7 +/-    1.13  0.080 / 0.480
G13     301.9          33.0                4.5 +/-    1.54       7.4 +/-    1.54  0.040 / 0.050
G17     210.8          47.1                7.7 +/-    0.30      10.1 +/-    0.30  0.030 / 0.050
G19     212.1          22.3                9.1 +/-    1.52      19.0 +/-    1.52  0.080 / 0.100
G28     338.7          61.9                4.0 +/-    0.56       4.5 +/-    0.56  0.080 / 0.100
G30     89.4           76.4                5.0 +/-    0.36       5.1 +/-    0.36  0.020 / 0.040