PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/06-21:43:00
G10     264.2          36.7               11.3 +/-    1.12      17.5 +/-    1.12  0.080 / 0.040
G13     43.1           20.1                8.3 +/-    1.70      18.3 +/-    1.70  0.060 / 0.050
G15     67.6           55.5               10.5 +/-    0.66      12.5 +/-    0.66  0.120 / 0.260
G16     280.8          13.1                8.9 +/-    1.38      23.3 +/-    1.38  0.120 / 0.250
G20     292.4          59.0               10.8 +/-    0.75      12.4 +/-    0.75  0.090 / 0.270
G21     356.2          70.0               11.3 +/-    0.58      11.9 +/-    0.58  0.070 / 0.310
G24     120.5          12.9               11.2 +/-    1.22      29.2 +/-    1.22  0.110 / 0.340
G27     320.1          16.0                7.5 +/-    1.91      18.2 +/-    1.91  0.150 / 0.360
G29     167.8          34.7               11.9 +/-    1.00      19.0 +/-    1.00  0.130 / 0.390