PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/19-15:28:10
G10     259.0          34.8                8.2 +/-    1.26      13.1 +/-    1.26  0.130 / 0.240
G13     45.9           22.9                5.4 +/-    0.94      11.0 +/-    0.94  0.120 / 0.320
G15     66.7           51.9                8.5 +/-    0.47      10.5 +/-    0.47  0.170 / 0.480
G16     286.0          14.9                5.5 +/-    1.94      13.6 +/-    1.94  0.170 / 0.470
G20     287.1          58.4                9.1 +/-    0.74      10.5 +/-    0.74  0.100 / 0.100
G21     348.0          66.3                6.4 +/-    0.73       6.9 +/-    0.73  0.070 / 0.100
G26     260.3          11.7                6.9 +/-    1.98      18.5 +/-    1.98  0.050 / 0.040
G27     321.6          12.2                3.9 +/-   11.22      10.4 +/-   11.22  0.060 / 0.050
G29     166.1          41.3               10.5 +/-    0.61      15.0 +/-    0.61  0.050 / 0.050