PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/15-17:12:40
G05     52.3           11.2                7.8 +/-    1.56      21.2 +/-    1.56  0.150 / 0.340
G10     243.5          22.3               11.2 +/-    0.65      23.4 +/-    0.65  0.170 / 0.340
G13     61.6           32.7                7.6 +/-    0.53      12.7 +/-    0.53  0.040 / 0.060
G15     102.2          57.1               10.0 +/-    1.08      11.7 +/-    1.08  0.040 / 0.070
G16     303.5          15.6                4.1 +/-    3.66      10.1 +/-    3.66  0.150 / 0.660
G20     260.6          46.7               10.2 +/-    1.57      13.4 +/-    1.57  0.170 / 0.610
G21     324.1          53.7                9.3 +/-    0.73      11.2 +/-    0.73  0.020 / 0.040
G26     276.5          18.3                8.8 +/-    1.43      20.3 +/-    1.43  0.040 / 0.040
G29     160.5          61.1               11.4 +/-    0.93      12.8 +/-    0.93  0.100 / 0.270