PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/23-07:42:50
G01     260.2          39.9                4.1 +/-    0.83       6.0 +/-    0.83  0.050 / 0.100
G03     316.8          37.4                1.8 +/-    1.61       2.8 +/-    1.61  0.070 / 0.090
G10     133.1          10.1                4.6 +/-    3.84      12.9 +/-    3.84  0.040 / 0.050
G11     244.3          16.0                3.7 +/-    1.99       9.0 +/-    1.99  0.040 / 0.050
G14     50.5           46.2                2.0 +/-    1.31       2.7 +/-    1.31  0.250 / 0.370
G18     226.2          33.8                5.6 +/-    1.08       9.1 +/-    1.08  0.190 / 0.270
G22     311.8          59.1                3.7 +/-    0.74       4.3 +/-    0.74  0.050 / 0.080
G25     47.2           14.4               -0.7 +/-    1.40      -1.7 +/-    1.40  0.040 / 0.090
G31     46.3           66.1                1.4 +/-    0.43       1.6 +/-    0.43  0.080 / 0.230
G32     68.4           30.2                2.3 +/-    0.43       4.0 +/-    0.43  0.070 / 0.210