PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/02/06-15:43:00
G01     307.6          33.4                6.8 +/-    1.22      11.1 +/-    1.22  0.050 / 0.070
G10     105.7          39.4                8.7 +/-    0.71      12.7 +/-    0.71  0.050 / 0.060
G11     280.7          28.3               -1.5 +/-    0.77      -2.7 +/-    0.77  0.100 / 0.150
G14     358.3          66.9                6.3 +/-    1.00       6.8 +/-    1.00  0.080 / 0.120
G18     272.1          51.8                6.8 +/-    1.03       8.4 +/-    1.03  0.070 / 0.100
G20     120.3          14.2                7.8 +/-    2.81      19.7 +/-    2.81  0.060 / 0.090
G22     310.1          26.8                4.6 +/-    1.51       8.6 +/-    1.51  0.040 / 0.060
G25     79.4           15.6                7.0 +/-    1.01      17.1 +/-    1.01  0.040 / 0.040
G31     173.7          61.1                9.5 +/-    1.18      10.7 +/-    1.18  0.070 / 0.190
G32     32.3           55.0                5.9 +/-    0.50       7.0 +/-    0.50  0.080 / 0.260