PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/14-19:12:30
G02     57.6           34.8                7.6 +/-    1.24      12.2 +/-    1.24  0.060 / 0.060
G05     59.4           62.3                7.9 +/-    0.52       8.7 +/-    0.52  0.070 / 0.080
G12     184.6          34.0                9.7 +/-    1.28      15.7 +/-    1.28  0.130 / 0.350
G13     127.2          14.5               11.1 +/-    2.42      28.0 +/-    2.42  0.160 / 0.340
G15     164.3          11.9                9.5 +/-    4.29      25.5 +/-    4.29  0.190 / 0.340
G21     270.8          16.0               10.0 +/-    1.75      24.2 +/-    1.75  0.160 / 0.330
G25     239.1          52.6                8.7 +/-    3.59      10.7 +/-    3.59  0.250 / 0.360
G29     328.4          53.9                9.0 +/-    1.03      10.8 +/-    1.03  0.220 / 0.330