PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/04/24-01:28:10
G02     26.8           60.3               11.1 +/-    0.40      12.6 +/-    0.40  0.030 / 0.030
G05     147.3          56.1               14.8 +/-    0.60      17.4 +/-    0.60  0.030 / 0.030
G06     48.8           23.9                9.1 +/-    0.92      18.3 +/-    0.92  0.050 / 0.060
G12     225.3          76.5               12.3 +/-    0.77      12.6 +/-    0.77  0.050 / 0.070
G19     93.9           13.6               12.6 +/-    1.04      32.4 +/-    1.04  0.060 / 0.110
G25     305.3          48.9               11.3 +/-    0.92      14.4 +/-    0.92  0.060 / 0.120
G29     303.9          26.3               10.8 +/-    1.70      20.5 +/-    1.70  0.040 / 0.040