PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/27-21:43:00
G01     320.7          12.9              -21.3 +/-   17.41     -55.8 +/-   17.41  0.290 / 0.420
G08     260.9          16.2                9.9 +/-    2.25      23.9 +/-    2.25  0.210 / 0.400
G10     70.3           55.8                8.8 +/-    1.05      10.4 +/-    1.05  0.110 / 0.280
G11     307.3          20.8                8.8 +/-    4.18      19.0 +/-    4.18  0.050 / 0.050
G14     278.8          68.8               10.5 +/-    0.30      11.1 +/-    0.30  0.060 / 0.050
G18     308.6          37.5                9.3 +/-    1.64      14.0 +/-    1.64  0.130 / 0.400
G20     100.0          33.3               10.9 +/-    0.76      17.9 +/-    0.76  0.130 / 0.320
G27     229.8          13.1               12.9 +/-    3.23      33.4 +/-    3.23  0.120 / 0.310
G31     178.1          34.6               12.7 +/-    1.13      20.4 +/-    1.13  0.100 / 0.320
G32     354.8          71.4                9.8 +/-    0.49      10.2 +/-    0.49  0.050 / 0.100