PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/22-11:58:00
G01     319.2          18.3                4.1 +/-    2.85       9.5 +/-    2.85  0.130 / 0.150
G08     256.6          13.5                3.5 +/-    2.07       8.9 +/-    2.07  0.130 / 0.180
G10     80.0           52.3                3.9 +/-    0.94       4.8 +/-    0.94  0.040 / 0.030
G11     302.4          23.6                1.8 +/-    1.54       3.6 +/-    1.54  0.040 / 0.040
G14     298.2          71.3                3.5 +/-    0.38       3.7 +/-    0.38  0.030 / 0.030
G18     303.1          42.7                4.7 +/-    1.46       6.6 +/-    1.46  0.030 / 0.030
G20     105.4          29.0                5.5 +/-    1.12       9.9 +/-    1.12  0.050 / 0.040
G22     301.8          13.6                0.3 +/-    3.11       0.8 +/-    3.11  0.050 / 0.040
G31     177.6          40.0                4.7 +/-    1.06       6.8 +/-    1.06  0.090 / 0.280
G32     354.5          70.1                3.7 +/-    0.68       3.9 +/-    0.68  0.150 / 0.280