PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/02/13-05:42:50
G02     7.1            72.5                1.7 +/-    0.83       1.7 +/-    0.83  0.030 / 0.030
G05     160.4          41.0                5.1 +/-    0.53       7.4 +/-    0.53  0.020 / 0.020
G06     42.0           38.3                2.0 +/-    0.83       3.0 +/-    0.83  0.040 / 0.050
G12     297.3          75.5                3.7 +/-    1.16       3.8 +/-    1.16  0.040 / 0.050
G19     80.9           23.5                4.2 +/-    2.48       8.5 +/-    2.48  0.130 / 0.140
G24     220.4          16.8                4.6 +/-    1.50      11.0 +/-    1.50  0.120 / 0.180
G25     314.4          38.7                2.0 +/-    1.29       3.0 +/-    1.29  0.080 / 0.080
G29     292.9          16.6                2.9 +/-    3.70       7.0 +/-    3.70  0.090 / 0.100