PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/09-21:12:30
G02     306.6          81.2                9.2 +/-    0.72       9.3 +/-    0.72  0.130 / 0.170
G05     166.4          27.5               12.1 +/-    1.16      22.3 +/-    1.16  0.160 / 0.170
G06     39.7           47.4                8.7 +/-    0.82      11.4 +/-    0.82  0.030 / 0.030
G12     318.5          61.9                8.5 +/-    0.71       9.5 +/-    0.71  0.030 / 0.020
G17     79.9           16.1                9.5 +/-    2.76      23.1 +/-    2.76  0.160 / 0.170
G19     69.0           30.2                9.3 +/-    2.47      16.2 +/-    2.47  0.120 / 0.190
G24     233.5          27.1               12.0 +/-    1.47      22.4 +/-    1.47  0.030 / 0.040
G25     317.5          22.4                9.0 +/-    1.68      18.8 +/-    1.68  0.030 / 0.040