PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/01-16:28:10
G02     215.1          56.3               10.5 +/-    0.95      12.3 +/-    0.95  0.070 / 0.210
G06     62.8           75.5                9.7 +/-    0.88      10.0 +/-    0.88  0.080 / 0.170
G12     317.1          33.3                8.5 +/-    1.23      13.9 +/-    1.23  0.050 / 0.080
G17     53.0           36.5                6.9 +/-    0.71      10.6 +/-    0.71  0.040 / 0.050
G19     38.3           49.2                7.8 +/-    0.40      10.0 +/-    0.40  0.050 / 0.110
G24     268.7          41.5                7.9 +/-    0.65      11.2 +/-    0.65  0.040 / 0.080
G28     119.4          20.7                8.7 +/-    1.08      18.8 +/-    1.08  0.060 / 0.080