PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/15-18:43:10
G08     307.0          20.7                8.1 +/-    3.25      17.5 +/-    3.25  0.060 / 0.090
G10     335.3          60.5                6.4 +/-    0.42       7.3 +/-    0.42  0.090 / 0.080
G14     218.5          32.2                9.6 +/-    2.20      16.1 +/-    2.20  0.040 / 0.060
G15     47.1           11.6                7.1 +/-    1.14      19.2 +/-    1.14  0.040 / 0.060
G20     40.0           59.9                8.7 +/-    0.79       9.8 +/-    0.79  0.060 / 0.200
G21     135.5          54.0               10.7 +/-    0.95      12.9 +/-    0.95  0.060 / 0.150
G24     68.5           28.0                7.0 +/-    0.85      12.8 +/-    0.85  0.050 / 0.100
G27     275.8          36.7               10.6 +/-    2.05      16.3 +/-    2.05  0.050 / 0.110
G32     224.1          53.4                8.9 +/-    1.07      10.8 +/-    1.07  0.110 / 0.310