PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/31-00:43:00
G02     65.9           27.2                8.0 +/-    1.45      14.8 +/-    1.45  0.060 / 0.080
G05     49.5           52.9                8.7 +/-    0.42      10.6 +/-    0.42  0.050 / 0.080
G12     184.3          26.7               13.5 +/-    1.79      25.4 +/-    1.79  0.080 / 0.310
G13     120.6          20.1               13.8 +/-    1.14      30.2 +/-    1.14  0.080 / 0.300
G15     158.6          19.2               14.6 +/-    1.94      32.6 +/-    1.94  0.100 / 0.230
G21     278.1          22.3                3.9 +/-    1.47       8.1 +/-    1.47  0.100 / 0.190
G25     226.7          46.2               10.9 +/-    1.57      14.5 +/-    1.57  0.060 / 0.110
G29     337.3          64.5                9.5 +/-    0.62      10.4 +/-    0.62  0.090 / 0.130