PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/23-01:12:50
G01     265.8          40.1                8.2 +/-    1.16      11.9 +/-    1.16  0.060 / 0.070
G03     316.1          31.0                6.2 +/-    1.48      10.7 +/-    1.48  0.060 / 0.060
G10     131.8          14.8                5.8 +/-    0.97      14.6 +/-    0.97  0.040 / 0.030
G11     246.2          19.1                6.6 +/-    1.65      14.8 +/-    1.65  0.030 / 0.030
G14     48.7           47.0                4.0 +/-    0.93       5.3 +/-    0.93  0.060 / 0.250
G22     313.3          54.0                2.7 +/-    0.96       3.3 +/-    0.96  0.070 / 0.250
G25     47.7           14.7                2.6 +/-    1.29       6.6 +/-    1.29  0.050 / 0.090
G26     150.1          25.9                7.2 +/-    1.85      13.8 +/-    1.85  0.060 / 0.090
G31     51.1           75.4                4.8 +/-    0.80       5.0 +/-    0.80  0.080 / 0.080
G32     65.7           32.6                4.6 +/-    0.58       7.6 +/-    0.58  0.080 / 0.090