PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/26-16:27:50
G05     52.1           11.7                7.1 +/-    1.08      19.1 +/-    1.08  0.090 / 0.180
G10     243.5          22.4               13.9 +/-    1.33      28.9 +/-    1.33  0.140 / 0.160
G13     61.5           32.6                9.3 +/-    1.41      15.5 +/-    1.41  0.130 / 0.430
G15     101.2          56.9               10.3 +/-    0.92      12.1 +/-    0.92  0.130 / 0.460
G16     303.5          15.6                4.6 +/-    1.82      11.4 +/-    1.82  0.030 / 0.040
G20     260.8          47.0               10.8 +/-    4.36      14.2 +/-    4.36  0.040 / 0.040
G21     324.4          53.8                9.0 +/-    0.47      10.9 +/-    0.47  0.050 / 0.060
G26     276.6          18.3                8.3 +/-    1.01      19.0 +/-    1.01  0.040 / 0.040
G29     160.6          61.1               11.7 +/-    0.47      13.1 +/-    0.47  0.080 / 0.180