PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/05-23:42:50
G01     316.1          24.0                8.8 +/-    2.01      17.6 +/-    2.01  0.130 / 0.400
G10     90.7           48.4               10.0 +/-    0.44      12.9 +/-    0.44  0.190 / 0.330
G11     294.9          26.5                7.8 +/-    0.73      14.7 +/-    0.73  0.110 / 0.160
G14     319.8          71.0                9.7 +/-    0.93      10.2 +/-    0.93  0.080 / 0.150
G18     295.3          46.3                8.8 +/-    0.85      11.6 +/-    0.85  0.090 / 0.190
G20     111.4          23.7               10.6 +/-    1.01      21.3 +/-    1.01  0.090 / 0.190
G22     304.3          15.0                6.8 +/-    3.75      16.9 +/-    3.75  0.040 / 0.060
G25     91.9           11.5               -3.6 +/-   40.59      -9.7 +/-   40.59  0.040 / 0.050
G31     174.0          50.3               12.4 +/-    0.75      15.6 +/-    0.75  0.040 / 0.070
G32     21.4           61.5                8.5 +/-    0.50       9.5 +/-    0.50  0.050 / 0.070