PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/20-05:43:10
G03     236.3          68.0                4.7 +/-    0.75       5.1 +/-    0.75  0.190 / 0.370
G09     303.9          19.0                3.9 +/-    2.28       8.7 +/-    2.28  0.160 / 0.320
G14     99.6           15.0                3.0 +/-    2.12       7.5 +/-    2.12  0.110 / 0.130
G16     122.3          59.1                5.5 +/-    0.49       6.3 +/-    0.49  0.110 / 0.170
G22     196.8          54.8                4.6 +/-    0.45       5.4 +/-    0.45  0.040 / 0.050
G23     322.7          52.6                4.5 +/-    0.87       5.6 +/-    0.87  0.040 / 0.060
G26     67.3           50.6                4.7 +/-    0.71       5.9 +/-    0.71  0.040 / 0.040
G31     53.4           17.1                2.0 +/-    2.68       4.7 +/-    2.68  0.040 / 0.050