PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/02-05:13:00
G01     61.8           30.2                3.7 +/-    0.90       6.4 +/-    0.90  0.030 / 0.030
G06     180.1          11.6               -1.9 +/-   26.66      -5.0 +/-   26.66  0.040 / 0.030
G07     140.1          25.9                7.0 +/-    1.73      13.4 +/-    1.73  0.110 / 0.180
G11     51.4           30.5                3.8 +/-    0.91       6.6 +/-    0.91  0.150 / 0.200
G13     265.3          37.6                6.2 +/-    2.72       9.4 +/-    2.72  0.050 / 0.050
G15     294.5          17.2                5.0 +/-    1.07      11.8 +/-    1.07  0.050 / 0.040
G17     245.2          74.8                6.4 +/-    0.63       6.6 +/-    0.63  0.030 / 0.020
G19     228.0          49.8                6.1 +/-    2.63       7.7 +/-    2.63  0.030 / 0.030
G28     12.9           60.9                3.7 +/-    2.16       4.2 +/-    2.16  0.130 / 0.100
G30     142.0          60.3                6.1 +/-    0.79       6.9 +/-    0.79  0.110 / 0.140