PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/09-10:28:10
G08     317.6          14.2                2.8 +/-    1.19       7.0 +/-    1.19  0.090 / 0.310
G10     312.7          56.5                2.1 +/-    0.82       2.4 +/-    0.82  0.090 / 0.210
G14     212.5          20.8                4.4 +/-    1.59       9.4 +/-    1.59  0.040 / 0.040
G15     45.6           19.3                2.0 +/-    0.60       4.5 +/-    0.60  0.040 / 0.040
G20     14.4           64.0                5.3 +/-    0.54       5.9 +/-    0.54  0.070 / 0.080
G21     120.6          63.7               -4.2 +/-    0.69      -4.6 +/-    0.69  0.050 / 0.070
G24     85.2           28.6                4.6 +/-    0.61       8.2 +/-    0.61  0.090 / 0.230
G27     292.3          36.1                5.2 +/-    1.06       8.1 +/-    1.06  0.090 / 0.310
G32     215.3          36.9                7.4 +/-    1.71      11.4 +/-    1.71  0.030 / 0.050