PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/18-22:42:40
G01     294.7          40.7                6.4 +/-    2.93       9.2 +/-    2.93  0.060 / 0.110
G03     310.0          12.2                4.2 +/-   18.08      11.3 +/-   18.08  0.070 / 0.100
G10     115.9          30.2                8.8 +/-    1.17      15.4 +/-    1.17  0.040 / 0.050
G11     272.7          25.6               10.1 +/-    2.40      19.4 +/-    2.40  0.040 / 0.050
G14     9.5            63.5                8.5 +/-    0.45       9.4 +/-    0.45  0.080 / 0.140
G22     312.9          32.7                7.8 +/-    1.11      12.9 +/-    1.11  0.110 / 0.150
G25     72.6           18.3                8.1 +/-    1.57      18.6 +/-    1.57  0.280 / 0.440
G26     159.1          10.3              -15.4 +/-   31.70     -42.7 +/-   31.70  0.370 / 0.350
G31     143.1          75.6                9.5 +/-    0.56       9.8 +/-    0.56  0.080 / 0.100
G32     47.3           44.3                8.1 +/-    0.87      11.0 +/-    0.87  0.100 / 0.100