PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/27-18:28:00
G05     52.7           10.0               12.1 +/-    4.55      33.9 +/-    4.55  0.040 / 0.050
G10     244.0          22.7               18.8 +/-    0.88      38.7 +/-    0.88  0.040 / 0.050
G13     60.9           32.5               13.9 +/-    1.05      23.2 +/-    1.05  0.140 / 0.530
G15     102.8          57.5               16.2 +/-    1.10      18.8 +/-    1.10  0.130 / 0.470
G16     303.1          15.6               10.3 +/-    1.65      25.4 +/-    1.65  0.070 / 0.130
G20     261.0          46.6               15.7 +/-    4.20      20.7 +/-    4.20  0.060 / 0.120
G21     324.4          53.9               14.6 +/-    0.55      17.6 +/-    0.55  0.030 / 0.040
G26     275.9          18.1               15.8 +/-    1.80      36.5 +/-    1.80  0.040 / 0.050
G29     160.7          60.2               16.9 +/-    0.37      19.2 +/-    0.37  0.400 / 0.420