PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/13-07:58:00
G01     114.9          20.7                6.2 +/-    1.06      13.4 +/-    1.06  0.040 / 0.030
G07     93.1           63.0                5.7 +/-    0.72       6.3 +/-    0.72  0.040 / 0.030
G08     42.8           25.3                3.7 +/-    0.82       7.1 +/-    0.82  0.030 / 0.040
G09     172.9          16.8                5.8 +/-    1.01      13.7 +/-    1.01  0.030 / 0.040
G11     98.4           41.5                6.8 +/-    0.67       9.7 +/-    0.67  0.100 / 0.170
G13     315.0          23.4                3.2 +/-    2.16       6.5 +/-    2.16  0.110 / 0.180
G17     202.1          31.4                6.9 +/-    1.44      11.8 +/-    1.44  0.090 / 0.260
G18     87.3           22.2                4.6 +/-    1.79       9.6 +/-    1.79  0.080 / 0.230
G28     299.3          58.4                4.6 +/-    0.63       5.3 +/-    0.63  0.120 / 0.240
G30     351.3          71.4                5.9 +/-    1.01       6.2 +/-    1.01  0.120 / 0.250