PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/19-02:12:30
G08     304.7          20.2                6.8 +/-    2.04      15.0 +/-    2.04  0.040 / 0.060
G10     352.6          62.2                9.6 +/-    0.55      10.7 +/-    0.55  0.050 / 0.050
G14     222.7          38.1               13.5 +/-    1.55      20.2 +/-    1.55  0.110 / 0.120
G20     52.1           56.8               10.8 +/-    1.07      12.6 +/-    1.07  0.080 / 0.140
G21     141.7          49.5               12.2 +/-    1.06      15.5 +/-    1.06  0.080 / 0.090
G24     64.9           28.8                8.6 +/-    1.42      15.4 +/-    1.42  0.060 / 0.070
G27     264.8          35.6               12.9 +/-    2.38      20.3 +/-    2.38  0.080 / 0.050
G32     231.3          59.1               11.7 +/-    1.36      13.4 +/-    1.36  0.050 / 0.060