PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/05-00:28:00
G02     18.4           66.3                6.3 +/-    0.47       6.8 +/-    0.47  0.050 / 0.090
G05     154.3          49.0               11.2 +/-    1.28      14.3 +/-    1.28  0.050 / 0.100
G06     45.7           29.3                5.2 +/-    0.76       9.3 +/-    0.76  0.040 / 0.050
G12     263.5          78.9                6.9 +/-    0.80       7.0 +/-    0.80  0.040 / 0.050
G19     88.0           17.8                8.7 +/-    1.38      20.2 +/-    1.38  0.110 / 0.440
G24     217.0          12.2               10.9 +/-    2.76      29.0 +/-    2.76  0.090 / 0.360
G25     311.4          42.6                6.7 +/-    2.04       9.3 +/-    2.04  0.030 / 0.030
G29     298.3          21.0                8.7 +/-    1.37      18.6 +/-    1.37  0.030 / 0.030