PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/03-13:57:40
G02     201.9          20.3                8.0 +/-    1.61      17.4 +/-    1.61  0.100 / 0.200
G06     165.6          58.9                7.6 +/-    0.80       8.7 +/-    0.80  0.100 / 0.170
G12     302.8          11.9               -6.6 +/-   10.88     -17.6 +/-   10.88  0.090 / 0.230
G13     224.8          11.2                5.7 +/-    2.79      15.4 +/-    2.79  0.160 / 0.230
G17     27.8           55.8                6.3 +/-    0.96       7.4 +/-    0.96  0.220 / 0.390
G19     318.7          70.0                5.6 +/-    0.75       5.9 +/-    0.75  0.290 / 0.540
G24     306.8          33.2                3.8 +/-    2.03       6.2 +/-    2.03  0.040 / 0.030
G28     90.7           38.3                6.9 +/-    1.07      10.4 +/-    1.07  0.050 / 0.020
G30     158.2          13.8                7.9 +/-    3.00      20.3 +/-    3.00  0.080 / 0.130