PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/11-20:27:20
G02     231.4          71.7               11.2 +/-    0.34      11.7 +/-    0.34  0.030 / 0.050
G05     172.9          12.6               15.5 +/-    4.06      40.8 +/-    4.06  0.040 / 0.040
G06     42.2           64.0               11.6 +/-    0.67      12.8 +/-    0.67  0.060 / 0.100
G12     320.4          44.9               10.3 +/-    0.55      13.9 +/-    0.55  0.060 / 0.080
G17     66.1           25.9                9.6 +/-    3.44      18.4 +/-    3.44  0.050 / 0.070
G19     52.7           40.6                9.9 +/-    1.21      14.2 +/-    1.21  0.060 / 0.060
G24     250.1          37.1               12.4 +/-    0.75      19.0 +/-    0.75  0.070 / 0.110