PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/17-02:42:40
G03     241.7          68.1                4.0 +/-    0.56       4.2 +/-    0.56  0.040 / 0.060
G09     305.4          23.4                1.4 +/-    1.50       2.9 +/-    1.50  0.040 / 0.060
G14     99.8           14.4                5.0 +/-    1.58      12.6 +/-    1.58  0.110 / 0.260
G16     123.9          59.1                5.1 +/-    0.70       5.8 +/-    0.70  0.120 / 0.350
G22     196.9          55.9                5.2 +/-    0.72       6.1 +/-    0.72  0.040 / 0.050
G23     318.2          47.8                3.3 +/-    1.26       4.2 +/-    1.26  0.040 / 0.050
G26     68.8           51.5                4.2 +/-    0.58       5.1 +/-    0.58  0.080 / 0.180
G31     52.3           19.9                1.3 +/-    2.60       2.8 +/-    2.60  0.080 / 0.160