PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/22-01:27:50
G10     250.9          28.3               12.6 +/-    1.86      22.9 +/-    1.86  0.080 / 0.120
G13     52.7           28.7                8.7 +/-    1.27      15.7 +/-    1.27  0.090 / 0.110
G15     84.0           56.9               10.8 +/-    0.98      12.6 +/-    0.98  0.040 / 0.040
G16     296.9          15.1                5.9 +/-    1.99      14.7 +/-    1.99  0.040 / 0.040
G20     270.5          50.9               10.8 +/-    2.78      13.5 +/-    2.78  0.120 / 0.400
G21     334.6          60.2                9.2 +/-    0.66      10.4 +/-    0.66  0.100 / 0.440
G26     268.8          15.3                9.2 +/-    1.03      22.6 +/-    1.03  0.080 / 0.170
G29     162.8          48.1               10.9 +/-    0.68      14.0 +/-    0.68  0.070 / 0.190