PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/23-21:27:50
G01     249.6          36.9               12.6 +/-    1.26      19.3 +/-    1.26  0.040 / 0.040
G03     316.6          40.6                8.9 +/-    1.13      12.8 +/-    1.13  0.040 / 0.050
G11     242.2          12.2                9.5 +/-    1.92      25.2 +/-    1.92  0.040 / 0.090
G14     53.4           46.1                7.3 +/-    0.37       9.6 +/-    0.37  0.040 / 0.080
G22     307.1          63.0                7.6 +/-    0.81       8.4 +/-    0.81  0.100 / 0.210
G23     285.3          18.3                9.7 +/-    1.34      22.3 +/-    1.34  0.090 / 0.180
G25     41.6           10.9                8.5 +/-    0.90      23.2 +/-    0.90  0.060 / 0.080
G26     138.0          36.6               12.2 +/-    0.68      18.8 +/-    0.68  0.070 / 0.090
G31     42.4           60.1                8.8 +/-    0.37      10.0 +/-    0.37  0.140 / 0.360
G32     76.1           22.6                7.3 +/-    0.68      15.2 +/-    0.68  0.130 / 0.360