PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/26-04:58:10
G02     260.9          80.7                2.7 +/-    0.42       2.7 +/-    0.42  0.090 / 0.110
G05     169.4          20.3                5.4 +/-    1.72      11.8 +/-    1.72  0.120 / 0.170
G06     39.6           56.7                2.6 +/-    0.62       3.0 +/-    0.62  0.040 / 0.040
G12     321.1          54.4                2.9 +/-    0.34       3.4 +/-    0.34  0.030 / 0.030
G17     73.4           21.7                2.7 +/-    1.15       5.7 +/-    1.15  0.070 / 0.140
G19     61.2           36.1                3.5 +/-    1.83       5.5 +/-    1.83  0.080 / 0.120
G24     242.2          32.7                4.9 +/-    1.45       8.1 +/-    1.45  0.030 / 0.030
G25     317.3          14.8                0.8 +/-    1.79       2.0 +/-    1.79  0.040 / 0.040