PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/10-15:43:00
G01     47.5           23.3                6.6 +/-    1.59      13.3 +/-    1.59  0.040 / 0.050
G06     176.7          27.1                8.7 +/-    1.41      16.1 +/-    1.41  0.040 / 0.060
G11     44.0           13.4                5.5 +/-    2.19      14.1 +/-    2.19  0.120 / 0.250
G13     246.8          29.7                7.9 +/-    0.89      13.9 +/-    0.89  0.100 / 0.260
G15     281.1          15.2                6.1 +/-    2.85      15.0 +/-    2.85  0.030 / 0.030
G17     311.8          78.0                7.7 +/-    0.48       7.8 +/-    0.48  0.030 / 0.030
G19     250.7          63.2                7.7 +/-    0.35       8.6 +/-    0.35  0.030 / 0.040
G28     47.8           55.7                8.4 +/-    0.34       9.9 +/-    0.34  0.040 / 0.040
G30     150.4          37.5                7.1 +/-    0.62      10.8 +/-    0.62  0.130 / 0.140