PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/15-18:57:50
G08     275.6          21.2                8.3 +/-    2.23      17.8 +/-    2.23  0.110 / 0.120
G10     48.2           59.7                7.3 +/-    0.99       8.3 +/-    0.99  0.080 / 0.150
G14     246.7          56.1                9.7 +/-    1.80      11.5 +/-    1.80  0.130 / 0.180
G20     88.7           39.5                8.2 +/-    1.01      12.1 +/-    1.01  0.120 / 0.160
G21     153.4          23.4                8.7 +/-    2.72      17.6 +/-    2.72  0.040 / 0.050
G24     44.4           16.7                6.6 +/-    2.98      15.7 +/-    2.98  0.050 / 0.060
G27     238.0          21.9                9.6 +/-    2.59      20.1 +/-    2.59  0.220 / 0.350
G31     179.7          22.1               10.2 +/-    3.15      21.3 +/-    3.15  0.210 / 0.400
G32     310.9          77.0                8.2 +/-    0.67       8.4 +/-    0.67  0.130 / 0.230