PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/07-19:42:50
G02     206.3          43.5               15.9 +/-    1.43      21.8 +/-    1.43  0.080 / 0.150
G06     141.3          76.7               13.0 +/-    0.65      13.4 +/-    0.65  0.070 / 0.140
G12     310.9          20.0                9.6 +/-    0.99      21.1 +/-    0.99  0.050 / 0.070
G17     42.7           43.7               10.1 +/-    1.69      13.9 +/-    1.69  0.050 / 0.080
G19     18.7           59.3               11.1 +/-    0.80      12.7 +/-    0.80  0.050 / 0.080
G24     287.0          41.3                9.7 +/-    4.72      13.8 +/-    4.72  0.060 / 0.090
G28     108.0          29.9               13.2 +/-    1.15      23.1 +/-    1.15  0.080 / 0.160