PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/19-12:43:00
G01     311.8          29.8                4.4 +/-    1.17       7.7 +/-    1.17  0.120 / 0.140
G10     99.6           43.1                4.5 +/-    0.84       6.2 +/-    0.84  0.090 / 0.100
G11     287.2          27.9                1.8 +/-    1.09       3.3 +/-    1.09  0.050 / 0.050
G14     344.8          69.4                3.1 +/-    1.04       3.3 +/-    1.04  0.040 / 0.040
G18     283.2          50.3                4.2 +/-    1.48       5.3 +/-    1.48  0.040 / 0.030
G20     116.7          18.2                3.9 +/-    1.26       9.1 +/-    1.26  0.030 / 0.030
G22     308.6          24.5                2.5 +/-    0.64       4.9 +/-    0.64  0.120 / 0.130
G25     86.4           14.1                4.3 +/-    3.87      10.9 +/-    3.87  0.070 / 0.160
G31     173.4          56.5                5.5 +/-    0.66       6.4 +/-    0.66  0.040 / 0.040
G32     22.7           60.2                3.6 +/-    1.33       4.1 +/-    1.33  0.040 / 0.050