PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/11-23:27:40
G01     313.7          27.3                6.9 +/-    1.91      12.7 +/-    1.91  0.090 / 0.160
G10     96.3           45.6                8.7 +/-    1.00      11.7 +/-    1.00  0.090 / 0.160
G11     290.3          27.6                7.1 +/-    2.89      13.0 +/-    2.89  0.080 / 0.180
G14     333.5          70.3                7.5 +/-    0.62       7.9 +/-    0.62  0.090 / 0.140
G18     289.1          48.4                3.7 +/-    8.77       4.7 +/-    8.77  0.060 / 0.040
G20     114.6          20.6                8.3 +/-    1.04      18.1 +/-    1.04  0.050 / 0.040
G22     306.2          18.2                7.5 +/-    4.10      17.4 +/-    4.10  0.080 / 0.230
G25     87.6           13.2                9.4 +/-    2.45      24.5 +/-    2.45  0.090 / 0.230
G31     172.6          55.0               10.8 +/-    0.33      12.9 +/-    0.33  0.080 / 0.080
G32     26.9           58.3                8.5 +/-    0.80       9.8 +/-    0.80  0.060 / 0.070