PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/23-01:43:00
G10     258.8          34.2               10.6 +/-    2.70      17.1 +/-    2.70  0.040 / 0.050
G13     46.1           23.3                6.3 +/-    1.12      12.8 +/-    1.12  0.040 / 0.050
G15     68.8           53.4                9.0 +/-    0.41      10.9 +/-    0.41  0.150 / 0.300
G16     288.4          14.3                6.8 +/-    1.76      17.3 +/-    1.76  0.120 / 0.300
G20     283.2          56.0               10.7 +/-    0.90      12.6 +/-    0.90  0.080 / 0.120
G21     346.7          66.1                8.2 +/-    0.34       8.9 +/-    0.34  0.060 / 0.110
G26     261.0          11.7               10.2 +/-    3.83      27.4 +/-    3.83  0.100 / 0.250
G27     321.9          11.4               -2.0 +/-   31.97      -5.3 +/-   31.97  0.110 / 0.350
G29     165.0          38.6               10.6 +/-    1.59      15.8 +/-    1.59  0.070 / 0.190