PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/24-03:28:00
G01     256.1          37.4                6.1 +/-    1.14       9.3 +/-    1.14  0.070 / 0.100
G03     316.3          37.4                3.6 +/-    0.97       5.5 +/-    0.97  0.060 / 0.080
G11     239.2          15.3                4.7 +/-    2.15      11.5 +/-    2.15  0.040 / 0.040
G14     57.0           42.2                2.9 +/-    0.32       4.1 +/-    0.32  0.040 / 0.050
G22     309.6          61.3                4.9 +/-    0.85       5.5 +/-    0.85  0.050 / 0.090
G23     282.6          15.3                1.8 +/-   11.32       4.5 +/-   11.32  0.060 / 0.090
G25     41.1           10.8                4.3 +/-    1.63      11.8 +/-    1.63  0.020 / 0.030
G26     144.0          32.8                6.9 +/-    1.80      11.5 +/-    1.80  0.020 / 0.030
G31     41.9           66.0                2.7 +/-    0.45       2.9 +/-    0.45  0.110 / 0.240
G32     72.1           28.2                2.0 +/-    0.58       3.6 +/-    0.58  0.100 / 0.330