PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/13-15:12:40
G05     52.0           11.7                4.9 +/-    2.30      13.1 +/-    2.30  0.150 / 0.150
G10     243.1          22.0               10.5 +/-    1.16      22.0 +/-    1.16  0.230 / 0.180
G13     62.2           32.8                7.0 +/-    1.03      11.7 +/-    1.03  0.150 / 0.450
G15     100.8          56.6                9.0 +/-    0.65      10.5 +/-    0.65  0.150 / 0.470
G16     304.0          15.5                4.6 +/-    1.32      11.4 +/-    1.32  0.020 / 0.020
G20     260.4          47.0               11.1 +/-    4.47      14.5 +/-    4.47  0.030 / 0.030
G21     324.2          53.7                7.7 +/-    0.59       9.3 +/-    0.59  0.050 / 0.050
G26     277.4          18.4                9.0 +/-    1.30      20.7 +/-    1.30  0.040 / 0.050
G29     160.3          61.9                9.8 +/-    0.64      10.9 +/-    0.64  0.060 / 0.110