PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/05-21:42:50
G02     203.6          37.0               12.8 +/-    1.58      19.6 +/-    1.58  0.160 / 0.280
G06     162.0          69.5               12.7 +/-    0.60      13.5 +/-    0.60  0.070 / 0.280
G12     307.3          14.4                9.6 +/-    2.87      24.1 +/-    2.87  0.080 / 0.110
G17     37.8           47.6               11.3 +/-    1.40      14.8 +/-    1.40  0.080 / 0.100
G19     5.9            64.0               11.1 +/-    0.57      12.2 +/-    0.57  0.150 / 0.120
G24     294.8          39.4                9.4 +/-    5.50      13.8 +/-    5.50  0.090 / 0.130
G28     101.8          34.0               13.4 +/-    1.03      21.7 +/-    1.03  0.040 / 0.030