PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/01-21:42:50
G02     216.6          60.9               11.6 +/-    0.86      13.1 +/-    0.86  0.040 / 0.090
G06     55.2           72.8               11.0 +/-    0.60      11.4 +/-    0.60  0.030 / 0.080
G12     319.1          37.8                9.0 +/-    0.75      13.5 +/-    0.75  0.060 / 0.100
G17     56.6           33.9                8.9 +/-    0.25      14.4 +/-    0.25  0.060 / 0.110
G19     38.0           50.2                9.2 +/-    0.30      11.6 +/-    0.30  0.040 / 0.090
G24     263.9          41.5               10.7 +/-    1.97      15.2 +/-    1.97  0.050 / 0.080
G28     123.1          13.0               11.4 +/-    1.08      29.6 +/-    1.08  0.100 / 0.410