PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/03-21:57:50
G01     221.9          14.9                9.1 +/-    3.95      22.8 +/-    3.95  0.050 / 0.030
G03     284.4          68.2                8.8 +/-    0.49       9.4 +/-    0.49  0.050 / 0.040
G09     296.6          13.0                6.4 +/-    2.45      16.8 +/-    2.45  0.110 / 0.160
G14     86.1           26.6                7.2 +/-    1.83      13.5 +/-    1.83  0.110 / 0.180
G16     141.4          47.4               11.0 +/-    1.26      14.4 +/-    1.26  0.030 / 0.030
G22     215.3          68.7                8.7 +/-    0.90       9.2 +/-    0.90  0.030 / 0.030
G23     308.9          38.8                7.3 +/-    1.40      10.8 +/-    1.40  0.060 / 0.080
G26     93.1           54.4                8.5 +/-    1.77      10.2 +/-    1.77  0.040 / 0.070
G31     46.4           30.2                6.3 +/-    1.49      10.9 +/-    1.49  0.060 / 0.080