PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/07-00:27:50
G01     256.3          37.4                7.1 +/-    1.13      10.8 +/-    1.13  0.030 / 0.040
G03     316.4          38.2                6.1 +/-    0.96       9.2 +/-    0.96  0.030 / 0.050
G11     240.3          15.2                8.5 +/-    2.27      21.0 +/-    2.27  0.060 / 0.100
G14     56.5           42.7                4.6 +/-    0.58       6.4 +/-    0.58  0.080 / 0.100
G22     309.6          61.0                6.3 +/-    0.58       7.1 +/-    0.58  0.150 / 0.290
G23     282.7          15.5                2.8 +/-   12.66       6.8 +/-   12.66  0.190 / 0.380
G25     42.1           11.7                3.6 +/-    2.34       9.7 +/-    2.34  0.030 / 0.040
G26     144.3          32.7                9.5 +/-    1.57      15.8 +/-    1.57  0.030 / 0.040
G31     41.9           67.5                5.3 +/-    1.02       5.7 +/-    1.02  0.060 / 0.090
G32     72.5           27.5                4.0 +/-    0.41       7.4 +/-    0.41  0.050 / 0.100