PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/07-16:42:50
G08     296.2          23.2                7.1 +/-    1.07      14.5 +/-    1.07  0.080 / 0.110
G10     5.0            62.6                7.0 +/-    0.56       7.8 +/-    0.56  0.060 / 0.090
G14     226.0          39.0               11.1 +/-    1.63      16.4 +/-    1.63  0.070 / 0.120
G20     64.5           51.3                8.0 +/-    0.98       9.9 +/-    0.98  0.060 / 0.110
G21     144.9          43.0               11.4 +/-    1.05      15.8 +/-    1.05  0.040 / 0.070
G24     60.4           27.7                5.9 +/-    1.06      10.9 +/-    1.06  0.050 / 0.070
G27     257.8          33.8                7.7 +/-    1.64      12.5 +/-    1.64  0.060 / 0.110
G32     239.8          67.0                9.3 +/-    1.13      10.0 +/-    1.13  0.060 / 0.090