PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/01/13-19:42:50
G01     260.4          38.7               10.6 +/-    1.18      15.7 +/-    1.18  0.040 / 0.050
G03     316.6          37.8               11.1 +/-    0.94      16.8 +/-    0.94  0.040 / 0.060
G10     134.0          11.0               11.5 +/-    1.75      31.5 +/-    1.75  0.080 / 0.180
G11     245.0          16.8                8.1 +/-    1.72      19.4 +/-    1.72  0.060 / 0.180
G14     51.9           45.7                9.1 +/-    0.78      12.1 +/-    0.78  0.070 / 0.100
G22     311.3          59.3               10.6 +/-    0.75      12.1 +/-    0.75  0.080 / 0.090
G25     45.7           14.1                7.8 +/-    1.29      19.8 +/-    1.29  0.020 / 0.040
G26     143.2          31.4               12.3 +/-    0.89      20.9 +/-    0.89  0.030 / 0.030
G31     44.3           66.9                9.7 +/-    0.54      10.4 +/-    0.54  0.040 / 0.090
G32     71.0           27.6                8.8 +/-    1.10      16.2 +/-    1.10  0.040 / 0.090