PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/23-21:42:50
G01     242.3          32.8               12.8 +/-    1.42      21.2 +/-    1.42  0.040 / 0.040
G03     315.3          47.1                7.2 +/-    0.69       9.4 +/-    0.69  0.040 / 0.060
G14     60.9           42.2                8.8 +/-    0.99      12.4 +/-    0.99  0.050 / 0.100
G16     158.7          23.4               11.0 +/-    1.42      22.3 +/-    1.42  0.050 / 0.090
G22     297.5          68.8                9.7 +/-    1.82      10.4 +/-    1.82  0.090 / 0.220
G23     290.3          22.4                9.4 +/-    2.09      19.6 +/-    2.09  0.140 / 0.190
G26     131.5          42.1               11.4 +/-    0.93      16.1 +/-    0.93  0.040 / 0.060
G31     41.1           53.3                8.0 +/-    0.51       9.7 +/-    0.51  0.040 / 0.070
G32     81.7           18.5                8.5 +/-    1.15      19.5 +/-    1.15  0.080 / 0.220