PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/07-03:12:40
G10     270.4          41.2               10.8 +/-    0.75      15.4 +/-    0.75  0.140 / 0.250
G13     40.4           15.3                5.3 +/-    2.22      13.0 +/-    2.22  0.190 / 0.270
G15     55.6           45.5                6.7 +/-    0.95       9.0 +/-    0.95  0.070 / 0.050
G16     278.5          11.3               10.5 +/-    2.33      28.4 +/-    2.33  0.080 / 0.070
G20     303.3          61.4                8.9 +/-    0.93      10.0 +/-    0.93  0.040 / 0.030
G21     11.4           73.3               10.5 +/-    0.44      10.9 +/-    0.44  0.040 / 0.030
G24     118.2          15.8                7.4 +/-    1.68      18.1 +/-    1.68  0.230 / 0.320
G27     318.0          20.0                6.0 +/-    1.58      13.1 +/-    1.58  0.150 / 0.440
G29     166.5          26.4                9.0 +/-    1.45      17.0 +/-    1.45  0.040 / 0.070