PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/07-03:58:00
G01     247.0          33.4                8.4 +/-    2.04      13.7 +/-    2.04  0.040 / 0.030
G03     315.2          46.1                5.9 +/-    0.73       7.8 +/-    0.73  0.030 / 0.030
G14     63.3           39.5                6.6 +/-    0.84       9.7 +/-    0.84  0.050 / 0.080
G16     159.6          22.7                6.4 +/-    1.87      13.2 +/-    1.87  0.050 / 0.090
G18     217.3          24.2                7.4 +/-    1.14      14.7 +/-    1.14  0.080 / 0.300
G22     299.2          68.7                8.3 +/-    0.40       8.9 +/-    0.40  0.160 / 0.270
G23     289.2          21.2                2.9 +/-    7.14       6.2 +/-    7.14  0.090 / 0.200
G26     131.2          41.4                8.8 +/-    1.42      12.6 +/-    1.42  0.070 / 0.190
G31     40.8           53.7                6.9 +/-    0.70       8.3 +/-    0.70  0.090 / 0.120
G32     80.9           19.5                5.9 +/-    1.59      13.1 +/-    1.59  0.100 / 0.120