PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/31-01:27:50
G01     220.7          11.6                4.5 +/-    2.28      12.2 +/-    2.28  0.030 / 0.050
G03     266.2          69.7                1.7 +/-    0.80       1.8 +/-    0.80  0.040 / 0.040
G09     300.3          16.9                3.9 +/-    2.04       9.2 +/-    2.04  0.120 / 0.370
G14     93.4           19.2                4.2 +/-    1.10       9.4 +/-    1.10  0.180 / 0.400
G16     137.1          52.7                5.0 +/-    0.77       6.2 +/-    0.77  0.080 / 0.220
G22     204.9          63.9                3.3 +/-    0.67       3.7 +/-    0.67  0.090 / 0.230
G23     312.2          41.6                2.7 +/-    1.68       3.9 +/-    1.68  0.050 / 0.050
G26     83.0           54.4                1.3 +/-    0.80       1.6 +/-    0.80  0.050 / 0.060
G31     48.3           26.7                0.7 +/-    2.31       1.4 +/-    2.31  0.050 / 0.090