PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/11-06:12:40
G03     189.9          18.1                4.3 +/-    1.27       9.8 +/-    1.27  0.050 / 0.080
G07     296.0          42.0                5.1 +/-    1.46       7.1 +/-    1.46  0.050 / 0.080
G08     141.4          30.1                7.2 +/-    0.93      12.5 +/-    0.93  0.040 / 0.080
G09     319.9          68.0                2.3 +/-    1.07       2.4 +/-    1.07  0.030 / 0.080
G16     42.4           33.3                2.4 +/-    1.57       4.0 +/-    1.57  0.040 / 0.050
G23     128.1          73.6                6.8 +/-    0.60       7.1 +/-    0.60  0.040 / 0.050
G27     95.1           35.0                6.4 +/-    0.99      10.2 +/-    0.99  0.040 / 0.040
G30     276.6          14.2                5.0 +/-    1.42      12.7 +/-    1.42  0.040 / 0.030