PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/23-20:42:40
G01     310.3          31.0               10.5 +/-    1.53      17.9 +/-    1.53  0.030 / 0.030
G10     102.2          42.0               10.8 +/-    0.55      15.2 +/-    0.55  0.040 / 0.040
G11     284.4          28.3                7.1 +/-    0.61      12.9 +/-    0.61  0.080 / 0.140
G14     349.2          68.5                9.3 +/-    0.82      10.0 +/-    0.82  0.080 / 0.160
G20     118.1          16.7               10.1 +/-    1.10      24.0 +/-    1.10  0.090 / 0.160
G22     308.3          22.2                9.2 +/-    2.07      19.1 +/-    2.07  0.110 / 0.140
G25     80.8           14.5                9.3 +/-    2.44      23.4 +/-    2.44  0.150 / 0.290
G31     173.1          58.8               11.1 +/-    0.72      12.8 +/-    0.72  0.120 / 0.240
G32     31.7           55.4                9.3 +/-    0.64      11.0 +/-    0.64  0.040 / 0.030