PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/22-09:13:10
G01     223.3          15.1                6.8 +/-    5.53      16.9 +/-    5.53  0.050 / 0.040
G03     275.9          70.6                2.7 +/-    0.81       2.8 +/-    0.81  0.040 / 0.040
G14     88.5           22.7                3.2 +/-    2.48       6.5 +/-    2.48  0.040 / 0.040
G16     144.9          46.7                5.4 +/-    1.07       7.1 +/-    1.07  0.040 / 0.030
G22     208.7          67.7                5.6 +/-    0.84       6.0 +/-    0.84  0.200 / 0.280
G23     311.3          42.0                4.3 +/-    1.64       6.1 +/-    1.64  0.160 / 0.350
G26     93.5           54.6                5.5 +/-    0.63       6.5 +/-    0.63  0.140 / 0.190
G31     46.8           28.8                2.3 +/-    2.15       4.2 +/-    2.15  0.120 / 0.230