PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/25-21:13:10
G02     26.4           60.3                8.9 +/-    0.59      10.1 +/-    0.59  0.070 / 0.060
G05     146.8          57.0               12.5 +/-    0.42      14.6 +/-    0.42  0.110 / 0.090
G06     50.1           20.6                8.2 +/-    2.35      17.7 +/-    2.35  0.040 / 0.040
G12     217.1          75.3                9.4 +/-    0.38       9.7 +/-    0.38  0.050 / 0.060
G19     95.2           12.1                9.7 +/-    1.89      26.0 +/-    1.89  0.030 / 0.030
G25     304.9          48.7               10.0 +/-    3.42      12.8 +/-    3.42  0.030 / 0.040
G29     303.5          24.9                9.1 +/-    1.28      17.9 +/-    1.28  0.150 / 0.230