PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/06-23:57:40
G02     1.6            74.4               11.6 +/-    0.60      12.0 +/-    0.60  0.090 / 0.110
G05     160.7          39.1               15.8 +/-    0.65      23.3 +/-    0.65  0.090 / 0.120
G06     42.0           37.8               10.0 +/-    0.87      15.1 +/-    0.87  0.030 / 0.040
G12     304.5          73.0               11.7 +/-    0.64      12.1 +/-    0.64  0.030 / 0.040
G19     79.4           23.6               12.5 +/-    0.71      25.2 +/-    0.71  0.110 / 0.360
G24     223.8          18.9               16.5 +/-    1.60      37.3 +/-    1.60  0.180 / 0.340
G25     315.8          33.7                9.6 +/-    2.19      15.5 +/-    2.19  0.030 / 0.040
G29     290.9          14.7               11.4 +/-    2.54      28.7 +/-    2.54  0.020 / 0.040