PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/08-12:42:50
G03     187.4          15.6                5.6 +/-    1.98      13.9 +/-    1.98  0.140 / 0.120
G07     299.1          44.7                6.2 +/-    3.47       8.3 +/-    3.47  0.150 / 0.140
G08     139.0          31.3                7.8 +/-    1.20      13.4 +/-    1.20  0.050 / 0.070
G09     319.0          66.3                4.8 +/-    0.68       5.2 +/-    0.68  0.080 / 0.080
G16     42.5           35.4                5.5 +/-    1.14       8.6 +/-    1.14  0.030 / 0.030
G23     129.3          72.7                6.9 +/-    0.87       7.2 +/-    0.87  0.030 / 0.040
G27     95.4           35.3                6.5 +/-    0.80      10.3 +/-    0.80  0.040 / 0.030
G30     278.8          18.6                6.2 +/-    1.93      14.1 +/-    1.93  0.030 / 0.030