PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/11-18:42:30
G02     200.7          23.2               16.1 +/-    1.39      32.9 +/-    1.39  0.070 / 0.110
G06     169.9          56.3               15.6 +/-    1.77      18.4 +/-    1.77  0.080 / 0.110
G13     224.1          11.4               15.8 +/-    4.43      42.7 +/-    4.43  0.040 / 0.080
G17     23.4           58.5               13.2 +/-    0.56      15.2 +/-    0.56  0.040 / 0.100
G19     334.8          70.5               13.3 +/-    0.76      14.0 +/-    0.76  0.080 / 0.170
G24     307.7          31.6               12.1 +/-    1.45      20.6 +/-    1.45  0.100 / 0.220
G28     87.3           42.4               13.1 +/-    0.91      18.3 +/-    0.91  0.030 / 0.040