PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/14-19:58:00
G01     251.4          37.9               10.0 +/-    2.18      15.1 +/-    2.18  0.040 / 0.040
G03     316.8          39.0                8.0 +/-    1.04      11.9 +/-    1.04  0.040 / 0.050
G11     244.4          13.2                9.0 +/-    4.23      23.3 +/-    4.23  0.070 / 0.070
G14     52.3           46.3                8.6 +/-    1.33      11.4 +/-    1.33  0.060 / 0.060
G22     308.6          61.9                7.8 +/-    0.84       8.7 +/-    0.84  0.160 / 0.290
G23     283.8          16.9               11.7 +/-    1.97      27.7 +/-    1.97  0.180 / 0.270
G25     42.7           11.5                8.7 +/-    1.68      23.4 +/-    1.68  0.080 / 0.080
G26     140.0          35.0               11.8 +/-    0.86      18.7 +/-    0.86  0.080 / 0.080
G31     43.2           62.8                7.4 +/-    0.75       8.2 +/-    0.75  0.170 / 0.290
G32     74.7           23.5                9.7 +/-    1.14      19.7 +/-    1.14  0.230 / 0.290