PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/03-19:58:10
G02     206.2          43.4               14.6 +/-    1.67      20.2 +/-    1.67  0.040 / 0.050
G06     142.6          76.5               14.2 +/-    0.62      14.5 +/-    0.62  0.040 / 0.050
G12     310.8          19.8               11.7 +/-    1.72      25.9 +/-    1.72  0.060 / 0.100
G17     42.7           43.7               10.5 +/-    0.56      14.4 +/-    0.56  0.060 / 0.090
G19     18.4           59.4               12.2 +/-    0.91      13.9 +/-    0.91  0.070 / 0.140
G24     287.1          41.3               12.2 +/-    0.69      17.4 +/-    0.69  0.080 / 0.180
G28     107.9          30.0               12.0 +/-    0.77      21.0 +/-    0.77  0.100 / 0.260