PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/08-08:27:50
G01     270.6          41.9                8.1 +/-    2.22      11.4 +/-    2.22  0.080 / 0.060
G03     316.1          31.3                6.4 +/-    1.41      11.0 +/-    1.41  0.060 / 0.060
G10     129.1          16.2                4.9 +/-    1.04      11.8 +/-    1.04  0.150 / 0.160
G11     250.7          19.7                5.9 +/-    3.81      13.1 +/-    3.81  0.150 / 0.240
G14     42.4           50.5                5.5 +/-    0.62       6.8 +/-    0.62  0.040 / 0.080
G18     233.0          39.3                6.4 +/-    1.05       9.5 +/-    1.05  0.070 / 0.060
G22     314.4          52.9                5.9 +/-    1.03       7.1 +/-    1.03  0.040 / 0.060
G25     53.6           16.8                2.4 +/-    1.59       5.6 +/-    1.59  0.040 / 0.080
G31     57.6           73.6                4.9 +/-    0.37       5.1 +/-    0.37  0.090 / 0.180
G32     61.5           35.4                4.8 +/-    1.58       7.6 +/-    1.58  0.080 / 0.200