PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/12-04:57:30
G08     297.2          22.3                6.5 +/-    0.79      13.6 +/-    0.79  0.060 / 0.090
G10     5.6            62.7                6.0 +/-    1.17       6.6 +/-    1.17  0.060 / 0.090
G14     227.3          44.5                9.1 +/-    2.48      12.4 +/-    2.48  0.030 / 0.030
G20     62.1           53.5                6.1 +/-    0.54       7.4 +/-    0.54  0.030 / 0.020
G21     145.5          42.7                7.8 +/-    0.75      10.9 +/-    0.75  0.040 / 0.070
G24     58.2           26.4                4.9 +/-    2.21       9.2 +/-    2.21  0.050 / 0.080
G27     258.0          33.1                6.1 +/-    3.14      10.0 +/-    3.14  0.110 / 0.140
G32     239.5          63.2                7.2 +/-    1.57       8.0 +/-    1.57  0.130 / 0.130