PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/10-22:27:50
G01     95.9           29.9               10.1 +/-    1.23      17.7 +/-    1.23  0.050 / 0.050
G07     121.4          45.2                9.9 +/-    0.84      13.3 +/-    0.84  0.040 / 0.050
G08     41.7           10.2                7.7 +/-    2.90      21.5 +/-    2.90  0.070 / 0.110
G11     72.9           41.1                9.0 +/-    1.15      12.9 +/-    1.15  0.070 / 0.150
G13     299.8          34.8                7.7 +/-    1.22      12.2 +/-    1.22  0.040 / 0.040
G17     209.8          50.1                9.7 +/-    0.46      12.2 +/-    0.46  0.040 / 0.040
G18     66.0           23.2                7.5 +/-    1.95      15.2 +/-    1.95  0.180 / 0.110
G19     211.9          21.9               11.0 +/-    1.90      23.1 +/-    1.90  0.150 / 0.260
G28     330.6          61.3                7.4 +/-    0.78       8.3 +/-    0.78  0.120 / 0.300
G30     82.7           78.9                8.9 +/-    0.60       9.1 +/-    0.60  0.160 / 0.380