PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/23-22:42:40
G01     220.7          13.6               10.5 +/-    2.77      27.1 +/-    2.77  0.040 / 0.040
G03     279.3          68.9                8.0 +/-    0.94       8.5 +/-    0.94  0.040 / 0.040
G09     297.6          13.8                8.8 +/-    3.67      22.6 +/-    3.67  0.090 / 0.180
G14     87.4           26.1                8.8 +/-    1.99      16.9 +/-    1.99  0.120 / 0.210
G16     139.4          49.1               10.7 +/-    0.51      13.6 +/-    0.51  0.030 / 0.030
G22     212.3          67.2                9.4 +/-    0.61      10.1 +/-    0.61  0.040 / 0.030
G23     310.4          40.2                7.8 +/-    1.22      11.3 +/-    1.22  0.040 / 0.070
G26     89.4           54.4                8.0 +/-    0.40       9.6 +/-    0.40  0.050 / 0.070
G31     47.2           28.4                6.8 +/-    1.95      12.3 +/-    1.95  0.080 / 0.100