PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/19-22:57:30
G10     299.4          53.2               11.6 +/-    0.69      14.1 +/-    0.69  0.070 / 0.040
G14     210.2          10.4               -4.8 +/-   31.35     -13.3 +/-   31.35  0.060 / 0.050
G15     46.1           28.2                6.9 +/-    1.20      12.5 +/-    1.20  0.370 / 0.700
G20     353.8          65.2               10.6 +/-    1.27      11.6 +/-    1.27  0.380 / 0.730
G21     94.7           74.7               11.8 +/-    0.52      12.2 +/-    0.52  0.050 / 0.100
G24     98.7           26.7               12.1 +/-    0.83      22.7 +/-    0.83  0.060 / 0.090
G27     300.9          34.3               11.5 +/-    0.91      18.5 +/-    0.91  0.070 / 0.160
G32     210.3          31.8               11.4 +/-    0.97      19.2 +/-    0.97  0.080 / 0.140