PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/07-23:58:10
G10     307.8          55.5               14.2 +/-    1.03      16.9 +/-    1.03  0.070 / 0.070
G14     211.6          15.6               14.6 +/-    4.04      35.8 +/-    4.04  0.060 / 0.070
G15     45.6           23.1                4.7 +/-    2.12       9.5 +/-    2.12  0.040 / 0.040
G20     5.7            64.6                8.5 +/-    0.63       9.3 +/-    0.63  0.030 / 0.040
G21     110.4          71.1                8.2 +/-    0.62       8.6 +/-    0.62  0.210 / 0.510
G24     92.5           28.5                9.6 +/-    1.12      17.3 +/-    1.12  0.150 / 0.420
G27     294.9          36.2                9.6 +/-    1.73      14.9 +/-    1.73  0.080 / 0.170
G32     212.7          36.8               12.3 +/-    1.76      19.0 +/-    1.76  0.090 / 0.240