PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/30-23:13:00
G02     32.7           55.3                8.5 +/-    0.45      10.1 +/-    0.45  0.040 / 0.060
G05     137.5          62.1               12.1 +/-    0.63      13.5 +/-    0.63  0.040 / 0.060
G06     52.8           17.1                7.2 +/-    0.96      17.1 +/-    0.96  0.030 / 0.040
G12     205.0          70.2                9.5 +/-    2.34      10.0 +/-    2.34  0.030 / 0.040
G25     297.6          53.1                8.4 +/-    0.91      10.2 +/-    0.91  0.100 / 0.160
G29     308.1          29.8                8.5 +/-    1.46      15.0 +/-    1.46  0.090 / 0.190