PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/30-06:58:10
G01     269.6          41.9                7.0 +/-    2.02       9.9 +/-    2.02  0.050 / 0.060
G03     316.1          30.7                5.6 +/-    1.71       9.7 +/-    1.71  0.050 / 0.040
G10     129.4          15.7                4.8 +/-    1.46      11.7 +/-    1.46  0.170 / 0.210
G11     250.6          19.4                7.0 +/-    3.82      15.5 +/-    3.82  0.170 / 0.270
G14     42.5           50.5                4.3 +/-    0.57       5.4 +/-    0.57  0.050 / 0.070
G18     232.8          39.0                7.8 +/-    1.33      11.6 +/-    1.33  0.050 / 0.060
G22     314.3          52.2                5.5 +/-    0.76       6.8 +/-    0.76  0.050 / 0.060
G25     53.5           16.8                1.6 +/-    2.60       3.7 +/-    2.60  0.040 / 0.070
G31     56.1           72.7                4.6 +/-    0.75       4.8 +/-    0.75  0.070 / 0.080
G32     62.4           34.4                3.4 +/-    1.27       5.4 +/-    1.27  0.090 / 0.110