PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/10-06:12:40
G02     287.3          82.3                2.8 +/-    1.14       2.8 +/-    1.14  0.070 / 0.120
G05     168.1          23.6                4.4 +/-    1.59       8.9 +/-    1.59  0.070 / 0.110
G06     39.3           53.7                3.0 +/-    0.51       3.6 +/-    0.51  0.040 / 0.140
G12     320.2          58.2                3.4 +/-    1.15       3.9 +/-    1.15  0.090 / 0.160
G17     76.9           18.8                3.3 +/-    0.79       7.5 +/-    0.79  0.030 / 0.040
G19     65.2           33.6                2.8 +/-    0.66       4.5 +/-    0.66  0.030 / 0.040
G24     238.6          30.4                6.6 +/-    1.78      11.5 +/-    1.78  0.100 / 0.130
G25     317.7          18.3                3.3 +/-    1.40       7.6 +/-    1.40  0.100 / 0.130