PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/22-12:27:50
G01     312.7          29.0                3.9 +/-    1.38       7.0 +/-    1.38  0.110 / 0.120
G10     98.2           43.9                4.8 +/-    0.80       6.6 +/-    0.80  0.110 / 0.120
G11     288.6          27.7                2.9 +/-    1.72       5.3 +/-    1.72  0.060 / 0.360
G14     341.4          69.9                2.5 +/-    0.55       2.7 +/-    0.55  0.050 / 0.370
G18     285.3          49.9                2.5 +/-    0.69       3.1 +/-    0.69  0.030 / 0.030
G20     115.9          19.1                4.4 +/-    1.30       9.9 +/-    1.30  0.050 / 0.030
G22     308.1          23.7                3.4 +/-    1.69       6.9 +/-    1.69  0.040 / 0.050
G25     87.7           13.7                4.6 +/-    2.05      11.8 +/-    2.05  0.040 / 0.050
G31     173.8          55.2                6.1 +/-    0.63       7.3 +/-    0.63  0.090 / 0.120
G32     20.7           61.2                3.7 +/-    0.77       4.2 +/-    0.77  0.060 / 0.420