PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/10-15:27:40
G01     115.3          19.7                9.4 +/-    1.13      20.7 +/-    1.13  0.030 / 0.040
G07     95.0           60.1               -1.2 +/-   10.50      -1.4 +/-   10.50  0.030 / 0.040
G08     44.0           29.6                1.0 +/-   10.06       1.8 +/-   10.06  0.030 / 0.060
G09     177.2          24.0                9.0 +/-    3.15      18.0 +/-    3.15  0.040 / 0.070
G11     101.4          41.9                1.8 +/-    9.59       2.5 +/-    9.59  0.070 / 0.090
G13     315.5          23.0                1.5 +/-   12.57       3.1 +/-   12.57  0.070 / 0.090
G17     202.3          26.7               10.3 +/-    1.28      19.4 +/-    1.28  0.100 / 0.190
G18     89.2           21.9                8.7 +/-    1.18      18.3 +/-    1.18  0.090 / 0.140
G28     290.5          55.3               -0.3 +/-   10.00      -0.4 +/-   10.00  0.060 / 0.130
G30     3.1            73.6                9.5 +/-    1.70       9.9 +/-    1.70  0.050 / 0.140