PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/22-06:27:30
G07     328.8          56.9                4.6 +/-    0.70       5.4 +/-    0.70  0.040 / 0.040
G08     110.6          50.2                6.6 +/-    0.56       8.3 +/-    0.56  0.050 / 0.040
G09     195.5          77.9                4.6 +/-    0.42       4.7 +/-    0.42  0.070 / 0.090
G11     149.8          10.8               -2.2 +/-   12.51      -6.2 +/-   12.51  0.060 / 0.060
G23     153.3          45.4                6.9 +/-    0.53       9.2 +/-    0.53  0.040 / 0.020
G27     60.3           33.9                4.6 +/-    1.87       7.5 +/-    1.87  0.040 / 0.020
G28     232.1          18.9                4.6 +/-    2.12      10.4 +/-    2.12  0.040 / 0.060
G30     297.3          30.7                5.2 +/-    1.36       9.0 +/-    1.36  0.040 / 0.050