PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/16-23:42:30
G10     324.4          59.0                8.4 +/-    1.09       9.7 +/-    1.09  0.120 / 0.350
G14     215.0          24.1               12.4 +/-    2.40      24.7 +/-    2.40  0.100 / 0.290
G15     46.1           15.2                6.6 +/-    1.45      16.3 +/-    1.45  0.090 / 0.080
G20     27.0           62.2                7.8 +/-    0.47       8.7 +/-    0.47  0.080 / 0.070
G21     127.6          63.3                8.2 +/-    0.73       9.0 +/-    0.73  0.030 / 0.040
G24     81.6           30.3                8.8 +/-    0.41      15.4 +/-    0.41  0.030 / 0.040
G27     282.9          37.9                8.5 +/-    1.15      12.8 +/-    1.15  0.040 / 0.050
G32     218.2          46.4               10.5 +/-    1.65      13.9 +/-    1.65  0.040 / 0.050