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               10.7 +/-    1.03      11.1 +/-    1.03  0.120 / 0.100
G05     160.7          39.1               15.0 +/-    0.98      22.1 +/-    0.98  0.110 / 0.100
G06     42.0           37.8                9.7 +/-    0.90      14.6 +/-    0.90  0.110 / 0.260
G12     304.5          73.0               12.1 +/-    0.65      12.6 +/-    0.65  0.180 / 0.310
G19     79.4           23.6               12.7 +/-    1.91      25.7 +/-    1.91  0.030 / 0.030
G24     223.8          18.9               16.8 +/-    1.92      38.0 +/-    1.92  0.030 / 0.020
G25     315.8          33.7                8.1 +/-    0.93      13.2 +/-    0.93  0.040 / 0.050
G29     290.9          14.7               10.2 +/-    1.82      25.5 +/-    1.82  0.040 / 0.040