PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/25-00:12:40
G01     231.7          24.4               12.9 +/-    0.90      25.6 +/-    0.90  0.050 / 0.040
G03     307.5          58.7               10.2 +/-    0.98      11.7 +/-    0.98  0.040 / 0.040
G14     74.3           33.9                8.9 +/-    0.61      14.4 +/-    0.61  0.070 / 0.140
G16     151.9          35.0               13.9 +/-    1.20      22.0 +/-    1.20  0.090 / 0.160
G22     260.3          74.5               11.2 +/-    1.10      11.6 +/-    1.10  0.050 / 0.140
G23     299.8          30.7               10.8 +/-    0.96      18.6 +/-    0.96  0.060 / 0.140
G26     115.0          50.3               11.4 +/-    0.72      14.3 +/-    0.72  0.080 / 0.210
G31     42.6           40.6                8.4 +/-    0.97      12.1 +/-    0.97  0.100 / 0.230
G32     91.3           11.4                8.7 +/-    1.63      23.6 +/-    1.63  0.050 / 0.050