PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/04-20:42:50
G01     249.4          36.9               10.3 +/-    2.29      15.8 +/-    2.29  0.040 / 0.050
G03     316.6          40.7                7.1 +/-    0.63      10.2 +/-    0.63  0.030 / 0.050
G11     242.5          12.2                8.0 +/-    1.82      21.3 +/-    1.82  0.040 / 0.080
G14     54.0           45.6                6.1 +/-    1.81       8.2 +/-    1.81  0.050 / 0.080
G22     307.0          63.3                5.5 +/-    0.60       6.1 +/-    0.60  0.060 / 0.090
G23     285.2          18.1                8.8 +/-    1.16      20.3 +/-    1.16  0.090 / 0.070
G25     41.5           10.7                5.6 +/-    5.10      15.4 +/-    5.10  0.120 / 0.400
G26     138.2          36.6                9.1 +/-    0.74      14.0 +/-    0.74  0.110 / 0.330
G31     42.4           60.5                6.0 +/-    0.76       6.8 +/-    0.76  0.040 / 0.050
G32     76.2           22.5                6.8 +/-    1.26      14.0 +/-    1.26  0.040 / 0.040