PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/17-10:43:00
G02     237.6          73.4                6.7 +/-    0.44       6.9 +/-    0.44  0.120 / 0.070
G05     174.3          13.2                3.9 +/-    2.31      10.1 +/-    2.31  0.090 / 0.090
G06     40.8           60.3                5.6 +/-    0.49       6.3 +/-    0.49  0.040 / 0.040
G12     321.5          51.0                4.3 +/-    0.48       5.3 +/-    0.48  0.040 / 0.040
G17     71.0           20.9                3.9 +/-    2.93       8.3 +/-    2.93  0.040 / 0.020
G19     53.2           41.8                4.9 +/-    1.24       7.0 +/-    1.24  0.040 / 0.020
G24     241.6          35.1                8.3 +/-    1.59      13.2 +/-    1.59  0.060 / 0.050