PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/12-01:28:00
G01     224.6          17.3                6.5 +/-    3.10      15.3 +/-    3.10  0.040 / 0.030
G03     291.7          66.5                3.9 +/-    0.95       4.3 +/-    0.95  0.040 / 0.040
G14     83.9           27.6                4.5 +/-    2.98       8.2 +/-    2.98  0.120 / 0.180
G16     144.6          44.5                6.1 +/-    1.82       8.3 +/-    1.82  0.140 / 0.190
G22     224.6          71.2                4.8 +/-    0.74       5.1 +/-    0.74  0.110 / 0.170
G23     307.3          37.7                5.0 +/-    2.10       7.5 +/-    2.10  0.080 / 0.190
G26     98.0           53.8                3.6 +/-    0.58       4.4 +/-    0.58  0.030 / 0.030
G31     45.6           31.6                2.9 +/-    1.30       4.9 +/-    1.30  0.030 / 0.030