PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/28-18:12:50
G01     91.1           31.7               16.6 +/-    0.69      28.1 +/-    0.69  0.040 / 0.060
G07     124.8          46.6               17.9 +/-    1.77      23.6 +/-    1.77  0.040 / 0.070
G11     70.2           40.5               16.0 +/-    0.39      23.1 +/-    0.39  0.030 / 0.030
G13     295.5          35.7               18.0 +/-    0.96      28.3 +/-    0.96  0.040 / 0.040
G17     214.5          50.2               22.3 +/-    1.41      28.1 +/-    1.41  0.040 / 0.090
G18     64.8           24.1               13.6 +/-    0.88      27.2 +/-    0.88  0.050 / 0.100
G19     214.5          24.8               22.8 +/-    2.85      44.9 +/-    2.85  0.030 / 0.060
G28     348.0          61.8               15.1 +/-    0.65      16.9 +/-    0.65  0.040 / 0.070
G30     102.4          76.1               17.5 +/-    0.52      18.0 +/-    0.52  0.070 / 0.170