PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/10-19:27:40
G02     57.2           35.0                8.3 +/-    0.56      13.2 +/-    0.56  0.050 / 0.070
G05     60.2           62.7                9.4 +/-    0.60      10.4 +/-    0.60  0.040 / 0.070
G12     184.8          34.8               10.4 +/-    1.68      16.6 +/-    1.68  0.040 / 0.080
G13     127.7          14.1               12.3 +/-    3.45      31.2 +/-    3.45  0.070 / 0.080
G15     164.5          11.5               14.5 +/-    5.28      39.3 +/-    5.28  0.120 / 0.360
G21     270.4          15.7               11.3 +/-    2.48      27.8 +/-    2.48  0.130 / 0.450
G25     240.0          53.0                8.5 +/-    1.50      10.3 +/-    1.50  0.160 / 0.450
G29     328.1          53.5                7.2 +/-    1.06       8.7 +/-    1.06  0.190 / 0.420