PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/16-23:43:00
G05     46.6           23.2                8.1 +/-    0.66      16.6 +/-    0.66  0.060 / 0.140
G13     85.8           36.0               12.0 +/-    0.80      18.6 +/-    0.80  0.050 / 0.150
G15     137.8          46.1               15.8 +/-    0.99      21.0 +/-    0.99  0.080 / 0.220
G20     238.9          17.2               11.2 +/-    2.23      26.4 +/-    2.23  0.080 / 0.230
G21     305.3          41.3               12.3 +/-    1.05      17.5 +/-    1.05  0.090 / 0.110
G25     203.2          17.0               15.6 +/-    1.60      37.1 +/-    1.60  0.070 / 0.100
G26     293.9          21.0               11.9 +/-    2.24      25.5 +/-    2.24  0.080 / 0.130
G29     144.7          82.5               12.7 +/-    1.04      12.8 +/-    1.04  0.080 / 0.120