PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/02-11:27:30
G02     54.9           35.2                4.6 +/-    0.47       7.3 +/-    0.47  0.030 / 0.030
G05     75.1           68.4                6.1 +/-    0.57       6.5 +/-    0.57  0.030 / 0.030
G12     183.3          38.7                9.1 +/-    2.26      13.5 +/-    2.26  0.050 / 0.090
G13     132.0          10.1               -7.8 +/-   13.86     -21.6 +/-   13.86  0.050 / 0.070
G21     266.2          13.2                5.8 +/-    2.12      15.2 +/-    2.12  0.200 / 0.470
G25     248.5          56.2                7.6 +/-    0.56       9.0 +/-    0.56  0.170 / 0.310
G29     323.2          46.9                3.2 +/-    1.11       4.2 +/-    1.11  0.040 / 0.060