PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/13-23:58:00
G01     257.1          37.7                6.8 +/-    1.02      10.3 +/-    1.02  0.040 / 0.050
G03     316.4          37.8                5.7 +/-    0.90       8.5 +/-    0.90  0.030 / 0.040
G11     241.0          15.6                6.0 +/-    1.77      14.8 +/-    1.77  0.070 / 0.080
G14     55.7           43.2                5.4 +/-    0.51       7.5 +/-    0.51  0.060 / 0.110
G22     310.0          60.4                5.6 +/-    0.83       6.4 +/-    0.83  0.030 / 0.040
G23     282.3          15.2               -0.4 +/-    9.97      -1.1 +/-    9.97  0.030 / 0.040
G25     42.8           12.2                4.2 +/-    1.15      11.2 +/-    1.15  0.150 / 0.200
G26     144.4          32.3                8.7 +/-    1.44      14.5 +/-    1.44  0.130 / 0.230
G31     42.3           67.6                5.4 +/-    1.00       5.8 +/-    1.00  0.040 / 0.090
G32     72.1           27.7                4.4 +/-    0.97       8.2 +/-    0.97  0.050 / 0.090