PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/04/11-02:12:30
G02     303.0          82.1               11.0 +/-    0.68      11.1 +/-    0.68  0.070 / 0.030
G05     166.6          26.3               15.8 +/-    2.44      30.0 +/-    2.44  0.050 / 0.030
G06     40.0           48.6               11.1 +/-    1.00      14.2 +/-    1.00  0.120 / 0.110
G12     319.4          61.9               11.0 +/-    0.98      12.3 +/-    0.98  0.080 / 0.110
G17     77.5           20.0               11.2 +/-    1.20      24.7 +/-    1.20  0.040 / 0.050
G19     66.8           33.0               12.4 +/-    1.29      20.5 +/-    1.29  0.040 / 0.070
G24     235.6          28.6               15.4 +/-    1.49      27.7 +/-    1.49  0.220 / 0.320
G25     317.8          20.3                9.5 +/-    2.07      20.8 +/-    2.07  0.340 / 0.330