PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/26-03:42:30
G01     223.3          14.1                5.7 +/-    3.76      14.6 +/-    3.76  0.040 / 0.050
G03     278.3          68.7                3.8 +/-    0.65       4.1 +/-    0.65  0.040 / 0.050
G09     298.4          15.3                4.2 +/-    2.25      10.5 +/-    2.25  0.100 / 0.360
G14     90.0           22.1                2.3 +/-    1.95       4.7 +/-    1.95  0.130 / 0.280
G16     140.3          49.7                6.9 +/-    0.66       8.7 +/-    0.66  0.220 / 0.410
G22     210.3          67.3                4.9 +/-    0.50       5.3 +/-    0.50  0.250 / 0.490
G23     309.9          39.4                4.4 +/-    1.28       6.5 +/-    1.28  0.060 / 0.100
G26     88.2           54.2                4.8 +/-    0.94       5.7 +/-    0.94  0.060 / 0.120
G31     47.1           28.4                1.3 +/-    0.67       2.3 +/-    0.67  0.050 / 0.060