PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/10-22:28:10
G02     224.1          68.1               14.3 +/-    1.52      15.3 +/-    1.52  0.040 / 0.090
G06     46.3           69.9               14.0 +/-    0.68      14.8 +/-    0.68  0.040 / 0.090
G12     319.5          40.2               12.5 +/-    1.06      18.1 +/-    1.06  0.040 / 0.060
G17     63.1           27.6                9.6 +/-    0.76      17.7 +/-    0.76  0.050 / 0.070
G19     47.6           43.9               13.2 +/-    0.56      18.1 +/-    0.56  0.160 / 0.470
G24     254.8          39.2               15.1 +/-    2.45      22.3 +/-    2.45  0.110 / 0.510
G28     126.0          12.3               15.0 +/-    3.36      39.8 +/-    3.36  0.070 / 0.100