PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/01/22-01:57:50
G01     116.7          19.7                8.5 +/-    1.03      19.0 +/-    1.03  0.030 / 0.050
G07     86.9           65.1                5.8 +/-    0.56       6.3 +/-    0.56  0.050 / 0.060
G08     44.3           30.2                2.6 +/-    0.79       4.5 +/-    0.79  0.020 / 0.040
G09     177.3          24.2                5.3 +/-    1.90      10.6 +/-    1.90  0.030 / 0.040
G11     105.6          40.7                7.9 +/-    1.40      11.4 +/-    1.40  0.040 / 0.090
G13     316.9          20.6                2.5 +/-    2.19       5.4 +/-    2.19  0.050 / 0.100
G17     202.6          27.0                6.1 +/-    1.04      11.3 +/-    1.04  0.040 / 0.090
G28     299.1          58.7                4.5 +/-    0.63       5.2 +/-    0.63  0.040 / 0.100
G30     2.0            72.7                4.2 +/-    0.69       4.4 +/-    0.69  0.110 / 0.160