PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/26-05:12:30
G02     306.8          82.3                2.2 +/-    0.62       2.2 +/-    0.62  0.090 / 0.110
G05     166.9          26.1                6.2 +/-    2.40      11.8 +/-    2.40  0.080 / 0.100
G06     39.6           50.4                3.0 +/-    0.60       3.8 +/-    0.60  0.030 / 0.030
G12     319.3          60.9                2.8 +/-    0.95       3.2 +/-    0.95  0.040 / 0.030
G17     78.6           18.0                2.9 +/-    0.97       6.8 +/-    0.97  0.120 / 0.140
G19     67.3           32.3                2.0 +/-    1.91       3.4 +/-    1.91  0.090 / 0.130
G24     236.2          28.7                5.1 +/-    1.31       9.2 +/-    1.31  0.040 / 0.040
G25     317.8          20.4                2.3 +/-    2.28       4.9 +/-    2.28  0.050 / 0.050