PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/04-00:58:10
G08     308.8          18.5                9.6 +/-    1.27      22.0 +/-    1.27  0.050 / 0.090
G10     344.6          61.6                7.3 +/-    0.69       8.2 +/-    0.69  0.100 / 0.070
G14     220.2          34.1               10.8 +/-    2.19      17.5 +/-    2.19  0.030 / 0.030
G20     45.9           58.4                8.9 +/-    0.37      10.2 +/-    0.37  0.040 / 0.040
G21     138.7          53.4               10.7 +/-    0.65      13.0 +/-    0.65  0.080 / 0.090
G24     69.4           29.8                8.1 +/-    0.59      14.2 +/-    0.59  0.080 / 0.100
G27     269.5          36.8                9.9 +/-    1.36      15.2 +/-    1.36  0.050 / 0.050
G32     227.0          56.1               10.4 +/-    0.55      12.2 +/-    0.55  0.060 / 0.060