PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/13-01:28:10
G01     313.1          28.0                7.4 +/-    2.29      13.4 +/-    2.29  0.070 / 0.180
G10     97.5           45.0                8.3 +/-    1.20      11.2 +/-    1.20  0.080 / 0.180
G11     289.4          27.7                6.9 +/-    2.13      12.7 +/-    2.13  0.050 / 0.040
G14     334.6          70.0                7.5 +/-    0.73       8.0 +/-    0.73  0.040 / 0.040
G18     288.3          48.4               11.6 +/-    8.59      15.0 +/-    8.59  0.050 / 0.160
G20     115.3          19.9                6.4 +/-    1.29      14.1 +/-    1.29  0.060 / 0.140
G22     306.7          19.2                6.0 +/-    1.26      13.5 +/-    1.26  0.080 / 0.250
G25     87.7           13.7                5.9 +/-    1.94      15.1 +/-    1.94  0.120 / 0.210
G31     170.7          57.0                9.2 +/-    0.75      10.8 +/-    0.75  0.080 / 0.120
G32     28.9           57.2                6.9 +/-    0.97       8.0 +/-    0.97  0.090 / 0.120