PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/22-15:28:00
G10     264.2          38.2                8.8 +/-    1.59      13.2 +/-    1.59  0.250 / 0.290
G13     42.9           19.3                7.8 +/-    2.96      17.5 +/-    2.96  0.160 / 0.240
G15     60.2           48.4                8.8 +/-    0.54      11.4 +/-    0.54  0.070 / 0.090
G16     281.1          13.7                6.9 +/-    4.47      17.6 +/-    4.47  0.090 / 0.080
G20     296.7          60.8                8.9 +/-    0.88      10.1 +/-    0.88  0.200 / 0.660
G21     357.6          69.8                7.5 +/-    0.75       7.9 +/-    0.75  0.120 / 0.410
G24     124.8          12.2               11.6 +/-    3.76      30.9 +/-    3.76  0.050 / 0.060
G27     320.0          16.4                6.0 +/-    3.09      14.5 +/-    3.09  0.040 / 0.050
G29     167.0          35.8                9.8 +/-    1.11      15.3 +/-    1.11  0.090 / 0.410