PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/29-20:13:10
G02     231.4          71.2                9.6 +/-    0.65      10.1 +/-    0.65  0.080 / 0.110
G05     173.1          12.9               14.1 +/-    2.73      36.8 +/-    2.73  0.060 / 0.100
G06     42.3           61.1               10.3 +/-    0.38      11.5 +/-    0.38  0.100 / 0.220
G12     322.0          50.3                8.2 +/-    1.05      10.3 +/-    1.05  0.080 / 0.250
G17     67.1           25.6                9.5 +/-    1.87      18.3 +/-    1.87  0.050 / 0.050
G19     50.7           43.3                8.7 +/-    0.33      12.0 +/-    0.33  0.050 / 0.070
G24     248.7          37.0               12.5 +/-    1.07      19.1 +/-    1.07  0.030 / 0.070