PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/07-18:58:10
G10     275.8          44.2               11.8 +/-    1.39      16.0 +/-    1.39  0.120 / 0.170
G13     38.7           11.6               10.5 +/-    3.04      28.2 +/-    3.04  0.120 / 0.150
G15     52.4           42.3               11.2 +/-    0.67      15.7 +/-    0.67  0.040 / 0.040
G16     271.8          10.1                9.1 +/-    2.27      25.3 +/-    2.27  0.050 / 0.050
G20     315.8          63.7               11.7 +/-    0.94      12.9 +/-    0.94  0.150 / 0.320
G21     22.3           75.2               12.4 +/-    0.57      12.7 +/-    0.57  0.230 / 0.410
G24     116.3          18.2               14.6 +/-    2.42      33.6 +/-    2.42  0.110 / 0.340
G27     315.2          24.0               10.2 +/-    2.07      20.3 +/-    2.07  0.120 / 0.330
G29     168.0          24.8               14.7 +/-    1.79      28.9 +/-    1.79  0.120 / 0.840
G32     204.8          16.2               20.1 +/-    2.53      48.6 +/-    2.53  0.110 / 0.790