PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/11-01:57:50
G01     270.2          42.4                5.4 +/-    1.10       7.6 +/-    1.10  0.050 / 0.060
G03     315.6          27.6                2.9 +/-    1.43       5.3 +/-    1.43  0.040 / 0.060
G10     128.8          16.2                6.5 +/-    1.50      15.7 +/-    1.50  0.040 / 0.050
G11     253.1          19.7                8.5 +/-    1.68      18.7 +/-    1.68  0.040 / 0.060
G14     38.9           52.6                5.7 +/-    1.31       7.0 +/-    1.31  0.050 / 0.090
G18     234.4          39.8                7.5 +/-    1.31      10.9 +/-    1.31  0.040 / 0.090
G22     314.3          49.1                5.7 +/-    0.81       7.3 +/-    0.81  0.090 / 0.150
G25     54.8           17.2                3.7 +/-    1.25       8.6 +/-    1.25  0.090 / 0.210
G31     58.1           73.2                8.0 +/-    0.58       8.3 +/-    0.58  0.080 / 0.090
G32     62.9           33.1                5.2 +/-    0.82       8.5 +/-    0.82  0.050 / 0.110