PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/26-00:28:00
G01     286.3          40.9                6.1 +/-    1.44       8.8 +/-    1.44  0.050 / 0.080
G03     312.8          18.3                8.2 +/-    1.43      18.8 +/-    1.43  0.070 / 0.100
G10     122.2          26.8                8.9 +/-    0.69      16.7 +/-    0.69  0.050 / 0.110
G11     260.7          25.6                9.4 +/-    1.60      18.1 +/-    1.60  0.050 / 0.120
G14     30.6           56.0                5.5 +/-    1.05       6.5 +/-    1.05  0.030 / 0.030
G22     314.1          40.4                5.6 +/-    2.67       8.1 +/-    2.67  0.030 / 0.030
G25     61.8           18.2                6.5 +/-    1.18      14.9 +/-    1.18  0.070 / 0.090
G26     158.4          13.7                9.1 +/-    2.00      23.3 +/-    2.00  0.050 / 0.080
G31     139.1          80.5                8.4 +/-    1.33       8.5 +/-    1.33  0.040 / 0.060
G32     52.1           42.0                6.0 +/-    1.12       8.4 +/-    1.12  0.040 / 0.060