PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/04-21:57:40
G02     233.4          72.9               12.6 +/-    0.37      13.1 +/-    0.37  0.030 / 0.040
G05     172.4          13.9               21.7 +/-    3.25      55.6 +/-    3.25  0.040 / 0.050
G06     41.9           60.7               13.4 +/-    0.40      15.1 +/-    0.40  0.090 / 0.120
G12     321.8          49.9               12.1 +/-    0.89      15.3 +/-    0.89  0.080 / 0.090
G17     67.1           26.2               11.5 +/-    1.51      21.9 +/-    1.51  0.160 / 0.180
G19     52.0           42.4               13.0 +/-    1.64      18.2 +/-    1.64  0.140 / 0.180
G24     248.3          36.6               16.3 +/-    2.08      25.1 +/-    2.08  0.030 / 0.030