PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/23-12:27:50
G01     311.4          30.3                6.2 +/-    1.03      10.8 +/-    1.03  0.100 / 0.140
G10     100.4          42.7                5.8 +/-    0.81       8.0 +/-    0.81  0.090 / 0.100
G11     286.5          27.9                2.7 +/-    1.17       5.0 +/-    1.17  0.040 / 0.030
G14     346.4          69.2                4.5 +/-    1.17       4.8 +/-    1.17  0.030 / 0.020
G18     282.4          50.4                5.3 +/-    1.33       6.6 +/-    1.33  0.040 / 0.050
G20     117.1          17.8                4.9 +/-    1.30      11.4 +/-    1.30  0.040 / 0.040
G22     308.9          25.2                4.4 +/-    1.72       8.5 +/-    1.72  0.050 / 0.050
G25     85.9           14.3                4.0 +/-    3.37      10.2 +/-    3.37  0.040 / 0.040
G31     172.9          57.4                7.5 +/-    0.60       8.7 +/-    0.60  0.130 / 0.120
G32     23.3           59.9                4.7 +/-    1.27       5.3 +/-    1.27  0.100 / 0.210