PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/15-07:12:30
G07     340.9          61.0                4.8 +/-    0.65       5.4 +/-    0.65  0.040 / 0.040
G08     98.5           52.9                8.1 +/-    0.53       9.9 +/-    0.53  0.030 / 0.040
G09     185.2          70.1                6.0 +/-    0.24       6.3 +/-    0.24  0.070 / 0.100
G11     145.0          15.6                6.6 +/-    4.25      16.1 +/-    4.25  0.120 / 0.090
G23     155.9          37.2                6.6 +/-    1.41      10.0 +/-    1.41  0.030 / 0.030
G27     52.9           30.3                4.9 +/-    1.31       8.5 +/-    1.31  0.030 / 0.040
G28     237.3          25.0                5.8 +/-    2.43      11.3 +/-    2.43  0.140 / 0.290
G30     303.3          36.0                5.1 +/-    1.07       8.0 +/-    1.07  0.290 / 0.250