PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/26-02:28:10
G01     39.3           13.2                1.6 +/-    3.04       4.1 +/-    3.04  0.050 / 0.070
G02     198.8          13.8                4.9 +/-    3.67      12.7 +/-    3.67  0.050 / 0.070
G06     175.6          42.4                5.5 +/-    0.66       7.7 +/-    0.66  0.360 / 0.190
G13     234.9          19.2                4.2 +/-    4.53       9.4 +/-    4.53  0.120 / 0.410
G15     266.4          10.9                3.5 +/-    2.08       9.6 +/-    2.08  0.030 / 0.030
G17     5.0            68.3                2.8 +/-    0.60       2.9 +/-    0.60  0.030 / 0.030
G19     292.0          70.8                2.4 +/-    0.57       2.5 +/-    0.57  0.070 / 0.060
G24     315.3          22.1                2.1 +/-    2.63       4.4 +/-    2.63  0.070 / 0.050
G28     77.8           44.2                3.4 +/-    1.09       4.6 +/-    1.09  0.150 / 0.470
G30     154.5          19.8                4.9 +/-    2.03      10.9 +/-    2.03  0.170 / 0.300