PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/12-04:12:40
G08     315.4          15.5                4.8 +/-    1.96      11.7 +/-    1.96  0.060 / 0.070
G10     323.8          58.8                5.8 +/-    0.60       6.7 +/-    0.60  0.080 / 0.070
G14     214.9          25.5                7.7 +/-    1.57      14.9 +/-    1.57  0.030 / 0.030
G15     46.1           14.1                2.4 +/-    1.59       6.0 +/-    1.59  0.030 / 0.030
G20     26.2           62.4                8.3 +/-    1.23       9.2 +/-    1.23  0.050 / 0.040
G21     127.7          62.4                8.8 +/-    0.76       9.8 +/-    0.76  0.050 / 0.040
G24     80.6           30.0                7.1 +/-    0.96      12.4 +/-    0.96  0.120 / 0.260
G27     283.7          37.6                6.6 +/-    1.15      10.0 +/-    1.15  0.140 / 0.190
G32     218.5          44.0                9.4 +/-    1.22      12.9 +/-    1.22  0.200 / 0.300