PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/12-02:12:50
G01     256.9          37.7               11.2 +/-    1.33      17.0 +/-    1.33  0.060 / 0.080
G03     316.4          37.1                6.8 +/-    1.00      10.4 +/-    1.00  0.060 / 0.080
G11     240.1          15.6               10.3 +/-    1.45      25.3 +/-    1.45  0.040 / 0.040
G14     56.1           42.7                6.3 +/-    0.46       8.8 +/-    0.46  0.030 / 0.050
G22     310.1          60.5                7.8 +/-    0.78       8.9 +/-    0.78  0.130 / 0.280
G23     282.2          15.0               -0.6 +/-   13.68      -1.4 +/-   13.68  0.150 / 0.280
G25     42.0           11.5                5.2 +/-    1.08      14.0 +/-    1.08  0.030 / 0.040
G26     145.4          31.8                9.6 +/-    1.24      16.2 +/-    1.24  0.030 / 0.030
G31     42.3           67.8                7.2 +/-    0.72       7.8 +/-    0.72  0.050 / 0.110
G32     71.5           28.7                5.4 +/-    0.95       9.7 +/-    0.95  0.050 / 0.120