PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/29-01:42:40
G10     270.5          41.3               13.6 +/-    0.78      19.4 +/-    0.78  0.080 / 0.050
G13     40.3           15.2                8.9 +/-    1.64      22.0 +/-    1.64  0.060 / 0.050
G15     55.7           45.8               10.1 +/-    0.45      13.4 +/-    0.45  0.150 / 0.300
G16     277.7          11.4               11.6 +/-    3.16      31.5 +/-    3.16  0.170 / 0.250
G20     303.0          61.2               12.0 +/-    0.75      13.5 +/-    0.75  0.070 / 0.080
G21     9.8            73.2               11.8 +/-    0.78      12.3 +/-    0.78  0.060 / 0.070
G24     118.6          15.8               12.6 +/-    1.46      30.6 +/-    1.46  0.190 / 0.620
G27     317.9          20.2               10.7 +/-    1.00      23.5 +/-    1.00  0.150 / 0.610
G29     166.8          27.1               13.4 +/-    0.96      25.0 +/-    0.96  0.160 / 0.650