PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/17-16:43:00
G10     295.3          52.0               23.9 +/-    2.41      29.4 +/-    2.41  0.050 / 0.070
G15     46.1           27.9                7.0 +/-    1.26      12.9 +/-    1.26  0.050 / 0.080
G20     353.0          65.3                8.1 +/-    0.55       8.9 +/-    0.55  0.390 / 0.360
G21     86.6           75.2                9.1 +/-    0.52       9.3 +/-    0.52  0.180 / 0.320
G24     102.5          25.6                9.0 +/-    1.63      17.4 +/-    1.63  0.040 / 0.030
G27     303.6          33.2                7.6 +/-    2.47      12.5 +/-    2.47  0.030 / 0.040
G29     168.1          11.0               10.0 +/-    3.68      27.4 +/-    3.68  0.090 / 0.060
G32     208.6          30.6               10.2 +/-    1.46      17.7 +/-    1.46  0.060 / 0.070