PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/27-17:43:00
G02     201.4          25.2               10.8 +/-    1.02      21.0 +/-    1.02  0.080 / 0.120
G06     167.8          59.5               11.8 +/-    0.77      13.4 +/-    0.77  0.090 / 0.140
G17     25.2           57.2                8.7 +/-    0.49      10.1 +/-    0.49  0.040 / 0.090
G19     342.9          69.5                9.4 +/-    0.69       9.9 +/-    0.69  0.040 / 0.110
G24     305.9          33.0                9.4 +/-    1.15      15.5 +/-    1.15  0.100 / 0.200
G28     90.0           41.3                9.6 +/-    0.67      13.6 +/-    0.67  0.080 / 0.180