PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/16-14:57:40
G08     321.2          10.6              -15.9 +/-   19.71     -43.9 +/-   19.71  0.120 / 0.070
G10     305.1          54.9                6.2 +/-    0.88       7.4 +/-    0.88  0.080 / 0.070
G14     211.3          11.0               -6.6 +/-   13.36     -18.1 +/-   13.36  0.130 / 0.380
G15     45.3           21.3                3.9 +/-    2.66       8.2 +/-    2.66  0.140 / 0.310
G20     9.5            64.2                6.2 +/-    0.41       6.8 +/-    0.41  0.050 / 0.030
G21     107.4          70.7                6.5 +/-    0.99       6.8 +/-    0.99  0.050 / 0.030
G24     95.6           28.0                7.0 +/-    1.70      12.8 +/-    1.70  0.210 / 0.340
G27     296.8          36.0                8.3 +/-    2.56      12.9 +/-    2.56  0.190 / 0.310
G32     211.1          37.1                7.0 +/-    0.80      10.8 +/-    0.80  0.040 / 0.040