PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/11-20:58:10
G02     288.1          81.1               11.4 +/-    0.74      11.6 +/-    0.74  0.110 / 0.160
G05     167.5          25.0               15.2 +/-    0.83      29.7 +/-    0.83  0.090 / 0.150
G06     39.4           49.9                9.8 +/-    0.72      12.4 +/-    0.72  0.150 / 0.260
G12     319.6          59.2                9.9 +/-    0.90      11.3 +/-    0.90  0.110 / 0.390
G17     77.7           17.7               10.2 +/-    0.59      23.7 +/-    0.59  0.040 / 0.030
G19     66.5           31.8               10.4 +/-    1.35      17.6 +/-    1.35  0.040 / 0.040
G24     235.8          28.8               12.8 +/-    1.81      23.1 +/-    1.81  0.030 / 0.050
G25     317.4          20.0               10.2 +/-    1.99      22.3 +/-    1.99  0.040 / 0.050