PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/09-14:28:10
G10     269.5          41.2                7.3 +/-    0.58      10.4 +/-    0.58  0.230 / 0.230
G13     40.6           15.7                5.1 +/-    1.63      12.6 +/-    1.63  0.120 / 0.240
G15     55.1           44.2                4.8 +/-    0.72       6.5 +/-    0.72  0.100 / 0.090
G16     276.7          12.2                4.6 +/-    1.53      12.3 +/-    1.53  0.060 / 0.090
G20     307.4          62.9                6.5 +/-    0.57       7.2 +/-    0.57  0.040 / 0.040
G21     10.8           72.8                5.5 +/-    0.96       5.8 +/-    0.96  0.040 / 0.030
G24     120.8          15.1                8.0 +/-    2.16      19.9 +/-    2.16  0.160 / 0.460
G27     318.0          20.2                3.2 +/-    1.64       7.0 +/-    1.64  0.320 / 0.540
G29     167.6          30.7                7.4 +/-    0.48      12.7 +/-    0.48  0.110 / 0.340
G32     203.7          11.9               -4.0 +/-   29.31     -10.8 +/-   29.31  0.090 / 0.400