PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/12-04:57:40
G08     297.2          22.3                6.2 +/-    1.11      12.8 +/-    1.11  0.050 / 0.090
G10     5.6            62.7                5.6 +/-    0.50       6.3 +/-    0.50  0.050 / 0.090
G14     227.3          44.5               10.3 +/-    0.84      13.9 +/-    0.84  0.060 / 0.100
G20     62.1           53.5                6.3 +/-    0.41       7.6 +/-    0.41  0.070 / 0.120
G21     145.5          42.7                9.1 +/-    0.53      12.7 +/-    0.53  0.040 / 0.030
G24     58.2           26.4                5.6 +/-    2.05      10.6 +/-    2.05  0.030 / 0.030
G27     258.0          33.1                6.5 +/-    1.22      10.7 +/-    1.22  0.060 / 0.100
G32     239.5          63.2                9.1 +/-    0.42      10.0 +/-    0.42  0.070 / 0.110