PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/22-01:43:10
G10     257.4          33.3               11.0 +/-    2.55      18.0 +/-    2.55  0.050 / 0.110
G13     47.1           24.3                9.1 +/-    1.23      18.0 +/-    1.23  0.070 / 0.110
G15     71.0           54.2                9.9 +/-    0.45      12.0 +/-    0.45  0.040 / 0.040
G16     289.8          14.5                7.5 +/-    1.09      18.9 +/-    1.09  0.040 / 0.040
G20     281.0          55.2               10.3 +/-    2.80      12.3 +/-    2.80  0.090 / 0.270
G21     344.5          65.2                9.6 +/-    1.12      10.4 +/-    1.12  0.110 / 0.250
G26     262.2          12.3               10.0 +/-    3.86      26.6 +/-    3.86  0.070 / 0.240
G29     164.7          40.1               11.0 +/-    0.84      15.9 +/-    0.84  0.060 / 0.190