PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/03-16:42:30
G08     303.7          21.6                5.2 +/-    1.39      11.0 +/-    1.39  0.090 / 0.090
G10     348.9          61.9                6.5 +/-    0.71       7.3 +/-    0.71  0.090 / 0.080
G14     221.2          32.0                6.5 +/-    2.37      11.0 +/-    2.37  0.060 / 0.180
G20     53.4           55.4                6.8 +/-    0.54       8.0 +/-    0.54  0.060 / 0.160
G21     139.9          50.4               10.0 +/-    0.99      12.6 +/-    0.99  0.030 / 0.030
G24     68.4           29.8                7.0 +/-    0.62      12.3 +/-    0.62  0.040 / 0.040
G27     266.7          36.6                9.1 +/-    1.18      14.0 +/-    1.18  0.110 / 0.230
G32     228.8          60.2                9.5 +/-    1.44      10.8 +/-    1.44  0.110 / 0.210