PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/24-12:12:40
G07     318.0          53.1                2.2 +/-    1.98       2.7 +/-    1.98  0.060 / 0.050
G08     124.4          43.9                5.6 +/-    1.03       7.7 +/-    1.03  0.040 / 0.060
G09     283.3          81.6                4.2 +/-    0.86       4.3 +/-    0.86  0.200 / 0.530
G16     42.9           20.2                1.8 +/-    1.54       4.0 +/-    1.54  0.150 / 0.480
G23     147.1          55.0                5.1 +/-    1.41       6.1 +/-    1.41  0.050 / 0.070
G27     73.9           37.2                2.8 +/-    0.52       4.3 +/-    0.52  0.040 / 0.080
G28     226.1          11.7                4.4 +/-   10.52      11.8 +/-   10.52  0.030 / 0.060
G30     291.0          27.5                3.5 +/-    2.43       6.4 +/-    2.43  0.030 / 0.060