PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/10-15:58:00
G07     350.6          63.2                9.9 +/-    1.29      10.9 +/-    1.29  0.070 / 0.100
G08     93.0           52.2               10.4 +/-    0.46      12.8 +/-    0.46  0.070 / 0.110
G09     190.3          71.3                9.3 +/-    1.24       9.7 +/-    1.24  0.030 / 0.050
G11     142.6          16.3               11.6 +/-    2.41      28.0 +/-    2.41  0.040 / 0.040
G23     156.3          37.5                9.2 +/-    2.04      14.0 +/-    2.04  0.090 / 0.200
G27     53.2           30.9                9.6 +/-    0.84      16.6 +/-    0.84  0.120 / 0.180
G28     238.3          27.6               13.0 +/-    1.29      23.9 +/-    1.29  0.040 / 0.040
G30     306.1          39.5               11.5 +/-    1.04      16.8 +/-    1.04  0.030 / 0.040