PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/22-02:58:00
G01     246.3          33.0                7.8 +/-    1.24      12.8 +/-    1.24  0.040 / 0.040
G03     315.1          46.6                4.8 +/-    1.30       6.3 +/-    1.30  0.040 / 0.050
G14     64.2           38.8                5.4 +/-    0.88       8.0 +/-    0.88  0.090 / 0.100
G16     159.5          23.1               -5.5 +/-   16.09     -11.3 +/-   16.09  0.080 / 0.110
G18     216.5          23.6                9.6 +/-    1.09      19.3 +/-    1.09  0.050 / 0.110
G22     298.3          68.9                6.9 +/-    0.73       7.4 +/-    0.73  0.050 / 0.100
G23     289.5          21.2                6.9 +/-    1.66      14.7 +/-    1.66  0.070 / 0.260
G26     131.0          41.8                7.2 +/-    0.74      10.2 +/-    0.74  0.070 / 0.250
G31     40.7           53.6                4.6 +/-    0.61       5.6 +/-    0.61  0.130 / 0.250
G32     81.3           19.3                6.0 +/-    1.00      13.5 +/-    1.00  0.080 / 0.220