PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/30-18:12:30
G08     293.4          23.8                8.5 +/-    1.75      17.2 +/-    1.75  0.140 / 0.090
G10     4.4            62.8                7.7 +/-    1.13       8.5 +/-    1.13  0.120 / 0.100
G14     228.0          45.2                9.3 +/-    2.08      12.5 +/-    2.08  0.050 / 0.070
G20     62.7           53.2                7.8 +/-    0.94       9.4 +/-    0.94  0.040 / 0.080
G21     145.1          39.8                9.9 +/-    1.36      14.4 +/-    1.36  0.110 / 0.150
G24     54.3           23.4                7.0 +/-    2.07      14.2 +/-    2.07  0.100 / 0.120
G27     259.2          32.6                8.2 +/-    2.10      13.6 +/-    2.10  0.110 / 0.150
G32     241.7          65.7                9.5 +/-    0.63      10.4 +/-    0.63  0.100 / 0.190