PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/25-06:12:40
G01     111.6          21.3                7.1 +/-    0.75      15.2 +/-    0.75  0.040 / 0.030
G07     95.1           62.4                5.5 +/-    0.94       6.1 +/-    0.94  0.040 / 0.030
G08     43.1           26.9                3.0 +/-    0.74       5.6 +/-    0.74  0.040 / 0.080
G09     174.4          18.4                7.3 +/-    3.72      16.8 +/-    3.72  0.040 / 0.070
G11     101.8          43.6                6.7 +/-    0.47       9.2 +/-    0.47  0.090 / 0.210
G13     313.8          25.3                3.8 +/-    1.36       7.4 +/-    1.36  0.080 / 0.200
G17     202.6          29.9                9.4 +/-    1.18      16.4 +/-    1.18  0.030 / 0.040
G28     291.3          54.7                6.3 +/-    0.80       7.5 +/-    0.80  0.030 / 0.040
G30     350.1          71.8                5.6 +/-    0.80       5.8 +/-    0.80  0.040 / 0.070