PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/09-08:57:40
G02     204.1          39.7                8.3 +/-    0.82      12.2 +/-    0.82  0.170 / 0.210
G06     148.4          73.3                6.8 +/-    0.59       7.1 +/-    0.59  0.090 / 0.200
G12     309.9          21.3                3.4 +/-    1.43       7.2 +/-    1.43  0.060 / 0.040
G17     39.3           46.3                4.4 +/-    0.77       5.9 +/-    0.77  0.050 / 0.040
G19     13.3           61.7                4.2 +/-    0.64       4.7 +/-    0.64  0.110 / 0.100
G24     294.4          38.6                3.3 +/-    1.97       5.0 +/-    1.97  0.110 / 0.130
G28     102.0          35.8               -2.1 +/-    1.16      -3.2 +/-    1.16  0.050 / 0.110