PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/03-02:12:30
G02     57.4           33.9                7.6 +/-    1.09      12.3 +/-    1.09  0.050 / 0.100
G05     61.5           62.4                7.9 +/-    0.47       8.8 +/-    0.47  0.050 / 0.090
G12     187.0          38.3               10.4 +/-    1.20      15.6 +/-    1.20  0.040 / 0.060
G13     129.5          12.9                9.8 +/-    3.99      25.5 +/-    3.99  0.040 / 0.070
G15     164.4          10.6               -3.2 +/-   26.55      -8.9 +/-   26.55  0.160 / 0.510
G21     269.5          16.4               11.5 +/-    2.19      27.6 +/-    2.19  0.130 / 0.540
G25     240.5          54.0               10.6 +/-    1.12      12.8 +/-    1.12  0.080 / 0.480
G29     329.9          55.1                9.9 +/-    0.68      11.8 +/-    0.68  0.110 / 0.470