PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/27-23:57:40
G01     232.7          25.3               10.0 +/-    1.86      19.4 +/-    1.86  0.040 / 0.040
G03     308.7          57.6                6.4 +/-    1.09       7.5 +/-    1.09  0.040 / 0.040
G14     73.1           34.7                6.1 +/-    0.64       9.8 +/-    0.64  0.070 / 0.130
G16     152.6          33.9               10.4 +/-    0.85      16.9 +/-    0.85  0.070 / 0.150
G22     265.1          74.4                7.9 +/-    0.98       8.2 +/-    0.98  0.060 / 0.170
G23     298.8          29.9                7.7 +/-    1.06      13.5 +/-    1.06  0.060 / 0.140
G26     117.0          49.6                8.9 +/-    0.71      11.2 +/-    0.71  0.090 / 0.160
G31     42.3           41.8                6.5 +/-    1.12       9.2 +/-    1.12  0.070 / 0.150
G32     90.3           12.1                6.4 +/-    1.46      16.9 +/-    1.46  0.040 / 0.050