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                5.2 +/-    2.84      12.9 +/-    2.84  0.050 / 0.050
G10     323.8          58.8                7.0 +/-    0.90       8.1 +/-    0.90  0.040 / 0.050
G14     214.9          25.5               10.1 +/-    3.55      19.6 +/-    3.55  0.060 / 0.080
G15     46.1           14.1                2.4 +/-    1.39       6.1 +/-    1.39  0.060 / 0.080
G20     26.2           62.4                7.4 +/-    0.92       8.2 +/-    0.92  0.030 / 0.030
G21     127.7          62.4                9.4 +/-    0.48      10.5 +/-    0.48  0.030 / 0.040
G24     80.6           30.0                6.2 +/-    0.47      10.8 +/-    0.47  0.120 / 0.300
G27     283.7          37.6                6.6 +/-    1.37      10.0 +/-    1.37  0.090 / 0.260
G32     218.5          44.0               11.1 +/-    0.87      15.2 +/-    0.87  0.210 / 0.410