PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/15-21:27:50
G01     320.9          12.7              -19.6 +/-   20.15     -51.5 +/-   20.15  0.150 / 0.320
G08     266.7          17.4               10.4 +/-    1.30      24.3 +/-    1.30  0.160 / 0.360
G10     67.3           55.7                9.4 +/-    0.82      11.2 +/-    0.82  0.220 / 0.440
G11     311.7          16.5                7.4 +/-    2.88      17.8 +/-    2.88  0.110 / 0.290
G14     265.9          64.6               11.3 +/-    0.99      12.4 +/-    0.99  0.050 / 0.060
G20     98.7           33.3                9.6 +/-    1.22      15.8 +/-    1.22  0.040 / 0.050
G21     155.7          13.9               12.5 +/-    2.28      31.9 +/-    2.28  0.090 / 0.300
G27     230.1          14.9               11.6 +/-    1.89      29.0 +/-    1.89  0.150 / 0.190
G31     176.9          33.3               12.7 +/-    1.59      20.7 +/-    1.59  0.140 / 0.190
G32     349.8          72.9                9.8 +/-    0.47      10.2 +/-    0.47  0.060 / 0.100