PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/03-21:42:50
G02     220.2          64.6               13.9 +/-    1.20      15.2 +/-    1.20  0.040 / 0.070
G06     48.8           69.3               12.3 +/-    0.37      13.0 +/-    0.37  0.050 / 0.060
G12     320.2          41.4               11.4 +/-    0.53      16.2 +/-    0.53  0.070 / 0.060
G17     59.8           31.5               12.5 +/-    1.76      21.2 +/-    1.76  0.060 / 0.090
G19     42.4           47.8               11.8 +/-    0.71      15.3 +/-    0.71  0.030 / 0.020
G24     258.9          40.4               14.4 +/-    5.01      20.8 +/-    5.01  0.040 / 0.030
G28     125.5          10.2               14.9 +/-    3.17      41.5 +/-    3.17  0.040 / 0.040