PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/09-08:13:10
G01     220.2          12.1                6.0 +/-    2.22      16.0 +/-    2.22  0.030 / 0.040
G03     263.4          71.0                6.2 +/-    0.42       6.5 +/-    0.42  0.030 / 0.050
G09     297.7          11.2              -10.6 +/-   25.09     -28.7 +/-   25.09  0.040 / 0.030
G14     92.0           20.3                4.3 +/-    3.11       9.3 +/-    3.11  0.040 / 0.050
G16     139.5          51.0                6.5 +/-    0.67       8.1 +/-    0.67  0.130 / 0.280
G22     203.9          64.0                7.0 +/-    0.91       7.7 +/-    0.91  0.130 / 0.230
G23     315.4          46.0                5.6 +/-    0.56       7.4 +/-    0.56  0.120 / 0.270
G26     84.7           54.3                6.2 +/-    0.72       7.4 +/-    0.72  0.110 / 0.210
G31     48.7           25.0                3.3 +/-    2.24       6.4 +/-    2.24  0.170 / 0.270