PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/27-00:43:00
G10     242.0          20.4               11.2 +/-    3.70      24.4 +/-    3.70  0.110 / 0.210
G13     64.0           33.6                8.9 +/-    1.32      14.5 +/-    1.32  0.110 / 0.360
G15     106.8          56.6               10.7 +/-    0.77      12.5 +/-    0.77  0.050 / 0.050
G16     307.4          14.2                6.7 +/-    3.41      17.0 +/-    3.41  0.030 / 0.060
G20     257.1          43.4               11.5 +/-    1.93      15.9 +/-    1.93  0.080 / 0.130
G21     322.1          52.5                9.0 +/-    0.80      11.0 +/-    0.80  0.090 / 0.120
G26     279.4          18.6                8.6 +/-    1.51      19.6 +/-    1.51  0.100 / 0.380
G29     158.3          60.7               11.4 +/-    0.58      12.8 +/-    0.58  0.090 / 0.440