PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/06-21:12:30
G10     251.4          27.6               11.2 +/-    1.61      20.6 +/-    1.61  0.120 / 0.310
G13     52.6           29.1               10.0 +/-    2.03      17.8 +/-    2.03  0.110 / 0.300
G15     94.1           60.2               11.8 +/-    0.75      13.3 +/-    0.75  0.090 / 0.150
G16     293.9          15.7                8.6 +/-    1.59      21.1 +/-    1.59  0.080 / 0.190
G20     271.0          51.4               11.9 +/-    3.02      14.7 +/-    3.02  0.040 / 0.040
G21     334.8          60.7               10.7 +/-    0.66      12.1 +/-    0.66  0.030 / 0.040
G26     266.5          15.2                9.1 +/-    1.85      22.5 +/-    1.85  0.030 / 0.040
G29     165.2          49.6               12.5 +/-    0.89      15.9 +/-    0.89  0.030 / 0.030