PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/04-20:58:00
G02     232.7          72.5               13.8 +/-    0.87      14.4 +/-    0.87  0.060 / 0.090
G05     172.6          13.1               19.3 +/-    2.20      50.3 +/-    2.20  0.060 / 0.100
G06     41.9           63.6               12.1 +/-    0.68      13.3 +/-    0.68  0.040 / 0.060
G12     320.5          45.4                9.6 +/-    0.79      12.9 +/-    0.79  0.040 / 0.080
G17     66.8           25.3               11.4 +/-    1.40      22.1 +/-    1.40  0.030 / 0.040
G19     53.3           40.3               11.6 +/-    0.65      16.8 +/-    0.65  0.050 / 0.050
G24     249.2          36.8               17.2 +/-    0.86      26.5 +/-    0.86  0.040 / 0.040