PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/13-23:57:50
G01     298.6          38.0               11.0 +/-    2.18      16.6 +/-    2.18  0.080 / 0.080
G03     309.3          11.0              -10.3 +/-   32.04     -28.1 +/-   32.04  0.080 / 0.090
G10     114.4          33.1               11.4 +/-    1.04      18.7 +/-    1.04  0.070 / 0.100
G11     270.7          27.5               10.1 +/-    1.48      18.7 +/-    1.48  0.060 / 0.070
G14     13.5           62.6               10.5 +/-    0.91      11.7 +/-    0.91  0.040 / 0.080
G18     260.2          49.9               12.7 +/-    6.70      16.1 +/-    6.70  0.040 / 0.040
G22     312.3          32.0                9.6 +/-    1.24      16.1 +/-    1.24  0.070 / 0.140
G25     70.3           17.3                7.5 +/-    1.14      17.5 +/-    1.14  0.060 / 0.110
G31     154.2          73.8               11.8 +/-    0.96      12.3 +/-    0.96  0.080 / 0.060
G32     45.5           45.8                9.2 +/-    0.58      12.2 +/-    0.58  0.060 / 0.100